diff --git a/packages/binutils.rb b/packages/binutils.rb
index dcd3341847..4f2b3152db 100644
--- a/packages/binutils.rb
+++ b/packages/binutils.rb
@@ -3,22 +3,22 @@ require 'package'
 class Binutils < Package
   description 'The GNU Binutils are a collection of binary tools.'
   homepage 'https://www.gnu.org/software/binutils/'
-  version '2.34'
+  version '2.35.1'
   compatibility 'all'
-  source_url 'https://ftpmirror.gnu.org/binutils/binutils-2.34.tar.lz'
-  source_sha256 '5cec79823ef596817aa57a3f470a1afa9827bf14e3583a4e445dc046cc38d29c'
+  source_url 'https://ftpmirror.gnu.org/binutils/binutils-2.35.1.tar.xz'
+  source_sha256 '3ced91db9bf01182b7e420eab68039f2083aed0a214c0424e257eae3ddee8607'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.34-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.34-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.34-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.34-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.35.1-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.35.1-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.35.1-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/binutils-2.35.1-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: 'b8194c2d9448796a2c8c5a2e0be669ab32b2a2fb832b4acccff09cb417d0d91f',
-     armv7l: 'b8194c2d9448796a2c8c5a2e0be669ab32b2a2fb832b4acccff09cb417d0d91f',
-       i686: '30a101614d39a99caebd12b3037917a428c618fd4378a04c21469d201c2e9fff',
-     x86_64: 'cc790a554f99715bd5cccefd14f965d885ef2c694afd461007a7f3b37386b91b',
+    aarch64: 'c259bdd15e70638c5db025fb66f01272ee6125126efa66ad642ba1ca8c59ea1f',
+     armv7l: 'c259bdd15e70638c5db025fb66f01272ee6125126efa66ad642ba1ca8c59ea1f',
+       i686: '49e95626126656d02074397e60137bd652d01578582243ed313ce95182ea3f68',
+     x86_64: '31511a8be2ead994bdf00cd61d6741eff3f8b2259177ff431dca28e57d2985dd',
   })
 
   depends_on 'filecmd'
@@ -37,6 +37,8 @@ class Binutils < Package
               --enable-plugins \
               --disable-bootstrap \
               --enable-64-bit-bfd \
+              --enable-lto \
+              --enable-vtable-verify \
               --disable-werror"
       system 'make'
     end
diff --git a/packages/icu4c.rb b/packages/icu4c.rb
index 892e534669..a78ee1498c 100644
--- a/packages/icu4c.rb
+++ b/packages/icu4c.rb
@@ -3,22 +3,22 @@ require 'package'
 class Icu4c < Package
   description 'ICU is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support for software applications.'
   homepage 'http://site.icu-project.org/'
-  version '67.1'
+  version '68.1'
   compatibility 'all'
-  source_url 'https://github.com/unicode-org/icu/releases/download/release-67-1/icu4c-67_1-src.tgz'
-  source_sha256 '94a80cd6f251a53bd2a997f6f1b5ac6653fe791dfab66e1eb0227740fb86d5dc'
+  source_url 'https://github.com/unicode-org/icu/releases/download/release-68-1/icu4c-68_1-src.tgz'
+  source_sha256 'a9f2e3d8b4434b8e53878b4308bd1e6ee51c9c7042e2b1a376abefb6fbb29f2d'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-67.1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-67.1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-67.1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-67.1-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-68.1-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-68.1-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-68.1-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/icu4c-68.1-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: 'ce53eb65aa3a48d328bfd117ff19d442dfb585d024ed88a194753da4f57d982e',
-     armv7l: 'ce53eb65aa3a48d328bfd117ff19d442dfb585d024ed88a194753da4f57d982e',
-       i686: '1a561f7e4e7d1b2f5ddc5af5e75367451c16ac0370a23b379f235b8d00f85098',
-     x86_64: '7ef9cec7a0b06d27b6dcd92c3509ff6bfb0376d5adc710b1095965843b7ed4a6',
+    aarch64: 'b49e0c6c754f3b019d769d9c9eb54aa04f6374e25481b3c01611d886a791caed',
+     armv7l: 'b49e0c6c754f3b019d769d9c9eb54aa04f6374e25481b3c01611d886a791caed',
+       i686: 'cd5f09ba3b1b9f12fe553f8b52f8cacec9d5541c4f0d1fad74f6f8137c09ed99',
+     x86_64: '07ddbfffe6b0790289c741f4da5f2e8d341b5194f069ec5a5026ba85bbcfcee2',
   })
 
   def self.build
@@ -37,6 +37,13 @@ class Icu4c < Package
   def self.install
     FileUtils.cd('source') do
       system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+      # Backwards compatibility symlinks
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libicudata.so.68", "#{CREW_DEST_LIB_PREFIX}/libicudata.so.67"
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libicui18n.so.68", "#{CREW_DEST_LIB_PREFIX}/libicui18n.so.67"
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libicuio.so.68", "#{CREW_DEST_LIB_PREFIX}/libicuio.so.67"
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libicutest.so.68", "#{CREW_DEST_LIB_PREFIX}/libicutest.so.67"
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libicutu.so.68", "#{CREW_DEST_LIB_PREFIX}/libicutu.so.67"
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libicuuc.so.68", "#{CREW_DEST_LIB_PREFIX}/libicuuc.so.67"
     end
   end
 end
diff --git a/packages/isl.rb b/packages/isl.rb
index 7af8c30364..6640ce6179 100644
--- a/packages/isl.rb
+++ b/packages/isl.rb
@@ -3,36 +3,38 @@ require 'package'
 class Isl < Package
   description 'Integer Set Library for manipulating sets and relations of integer points bounded by linear constraints'
   homepage 'http://isl.gforge.inria.fr/'
-  version '0.20-1'
+  version '0.23'
   compatibility 'all'
-  source_url 'http://isl.gforge.inria.fr/isl-0.20.tar.xz'
-  source_sha256 'a5596a9fb8a5b365cb612e4b9628735d6e67e9178fae134a816ae195017e77aa'
+  source_url 'http://isl.gforge.inria.fr/isl-0.23.tar.xz'
+  source_sha256 '5efc53efaef151301f4e7dde3856b66812d8153dede24fab17673f801c8698f2'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.20-1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.20-1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.20-1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.20-1-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.23-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.23-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.23-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/isl-0.23-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '9a8a172724c6d1721c9435946834e3072a2a8b92a7288845f13a37e6378028f1',
-     armv7l: '9a8a172724c6d1721c9435946834e3072a2a8b92a7288845f13a37e6378028f1',
-       i686: '964be2d6db0292809b58316e644e6d800c0a5caa7c441ab6fed1e1fa225d97e1',
-     x86_64: '0cfc7be2bf9ab7ea4229c5f7a2da40c2365bc824b45df3dfa337dcfcb16df40b',
+    aarch64: 'c552525f20ee4089d55c58cb718275ef8c5beba05f49dce6415de3a80983305e',
+     armv7l: 'c552525f20ee4089d55c58cb718275ef8c5beba05f49dce6415de3a80983305e',
+       i686: '84ea248c0a4994146fed949afe40b2b6395bda1466d50976f0b080751d7617e4',
+     x86_64: '870574b61938cd278848864fd861a6d25ce27723375af17c3c3108fdc1197766',
   })
 
   def self.build
-    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "./configure #{CREW_OPTIONS}"
     system 'make'
   end
 
-  def self.install
-    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
-    system "mkdir -p #{CREW_DEST_LIB_PREFIX}"
-    system "ln -s #{CREW_LIB_PREFIX}/libisl.so.19.1.0 #{CREW_DEST_LIB_PREFIX}/libisl.so.15"
-  end
-
   def self.check
     system 'make', 'check'
   end
+
+  def self.install
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+    FileUtils.mkdir_p CREW_DEST_LIB_PREFIX
+    # For backwards compatibility:
+    FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libisl.so.23.0.0", "#{CREW_DEST_LIB_PREFIX}/libisl.so.15"
+    FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libisl.so.23.0.0", "#{CREW_DEST_LIB_PREFIX}/libisl.so.19"
+  end
 end
diff --git a/packages/libffi.rb b/packages/libffi.rb
index 297846c3d9..40fbb4bb0b 100644
--- a/packages/libffi.rb
+++ b/packages/libffi.rb
@@ -3,31 +3,31 @@ require 'package'
 class Libffi < Package
   description 'The libffi library provides a portable, high level programming interface to various calling conventions.'
   homepage 'https://sourceware.org/libffi/'
-  version '3.2.1-2'
+  version '3.3'
   compatibility 'all'
-  source_url 'ftp://sourceware.org/pub/libffi/libffi-3.2.1.tar.gz'
-  source_sha256 'd06ebb8e1d9a22d19e38d63fdb83954253f39bedc5d46232a05645685722ca37'
+  source_url 'https://sourceware.org/pub/libffi/libffi-3.3.tar.gz'
+  source_sha256 '72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.2.1-2-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.2.1-2-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.2.1-2-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.2.1-2-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.3-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.3-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.3-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libffi-3.3-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '2af9d89eeb28be4422b2a75218414de25e8d1e7c09efa9fb37660fbd6b6969bd',
-     armv7l: '2af9d89eeb28be4422b2a75218414de25e8d1e7c09efa9fb37660fbd6b6969bd',
-       i686: '32d5df74da5e018709c7c0ca7cf17504face5b951af7ed1c8267980a8ac20d6e',
-     x86_64: '92d528749d53e5140e510864458a4ff46521b2c17c2311f05077707413965e9e',
+    aarch64: '22a2ec5efcbcf5b587f34f35489ee0976f5a1ed256f47a4ac87a240f804c0d02',
+     armv7l: '22a2ec5efcbcf5b587f34f35489ee0976f5a1ed256f47a4ac87a240f804c0d02',
+       i686: '8041e3401d2b9721a2dd87d31aff2b1b5380f7946c092d9a3c18f573ca6422f8',
+     x86_64: 'aecc094eb0e5b961106ee3d4086f120a30555cb82b3b8263107d9cab4e6c278f',
   })
 
   def self.build
-    system "./configure", "--libdir=#{CREW_LIB_PREFIX}", "--enable-shared", "--disable-static", "--with-pic", "--disable-debug", "--disable-dependency-tracking"
-    system "make"
+    system "./configure #{CREW_OPTIONS} --enable-shared --disable-static --with-pic --disable-debug --disable-dependency-tracking"
+    system 'make'
   end
 
   def self.install
-    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
   end
 
   def self.check
diff --git a/packages/mandb.rb b/packages/mandb.rb
index 9abf30f447..60f26353f7 100644
--- a/packages/mandb.rb
+++ b/packages/mandb.rb
@@ -3,22 +3,22 @@ require 'package'
 class Mandb < Package
   description 'mandb is used to initialize or manually update index database caches that are usually maintained by man.'
   homepage 'http://man-db.nongnu.org/'
-  version '2.9.0'
+  version '2.9.3'
   compatibility 'all'
-  source_url 'http://download.savannah.gnu.org/releases/man-db/man-db-2.9.0.tar.xz'
-  source_sha256 '5d4aacd9e8876d6a3203a889860c3524c293c38f04111a3350deab8a6cd3e261'
+  source_url 'https://download.savannah.gnu.org/releases/man-db/man-db-2.9.3.tar.xz'
+  source_sha256 'fa5aa11ab0692daf737e76947f45669225db310b2801a5911bceb7551c5597b8'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.0-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.0-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.0-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.0-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.3-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.3-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.3-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/mandb-2.9.3-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '7545fe308e8b643c6c289650770392ff7499f08cf2be63f98b753c990c1d0b9b',
-     armv7l: '7545fe308e8b643c6c289650770392ff7499f08cf2be63f98b753c990c1d0b9b',
-       i686: 'e400afbddd2f8564e4cdee38ae17447d632c7fb9bdbd35c53b0ed653830c373d',
-     x86_64: '3e898c4771564163d80eb207acbeec8ec04c8c7de25ae572c9a4de163cfa28af',
+    aarch64: '8bad5f96c6b1259cf8c13e72759bf13ddbd74cb76d3ea03a330b9b3b2da7bce6',
+     armv7l: '8bad5f96c6b1259cf8c13e72759bf13ddbd74cb76d3ea03a330b9b3b2da7bce6',
+       i686: '336d1b5cd1b6d0abfafd0b9c12e925ccd3e239acca9c55b09835fe9ada917736',
+     x86_64: 'e6023a153a255916cda39d0598c8cfa7b38345b6c69d5bf61babd54fec66f624',
   })
 
   depends_on 'gdbm'
diff --git a/packages/meson.rb b/packages/meson.rb
index c37b0e6317..095edcdd72 100644
--- a/packages/meson.rb
+++ b/packages/meson.rb
@@ -3,22 +3,22 @@ require 'package'
 class Meson < Package
   description 'The Meson Build System'
   homepage 'http://mesonbuild.com/'
-  version '0.55.3'
+  version '0.56.0'
   compatibility 'all'
-  source_url 'https://github.com/mesonbuild/meson/archive/0.55.3.tar.gz'
-  source_sha256 '2b276df50c5b13ccdbfb14d3333141e9e7985aca31b60400b3f3e0be2ee6897e'
+  source_url 'https://github.com/mesonbuild/meson/archive/0.56.0.tar.gz'
+  source_sha256 'a9ca7adf66dc69fbb7e583f7c7aef16b9fe56ec2874a3d58747e69a3affdf300'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.55.3-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.55.3-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.55.3-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.55.3-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.56.0-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.56.0-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.56.0-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/meson-0.56.0-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: 'dc4075b1285709e2a3701d906a5096e7c6e721f0f1998713bec433676f5671d0',
-     armv7l: 'dc4075b1285709e2a3701d906a5096e7c6e721f0f1998713bec433676f5671d0',
-       i686: 'ca7b2fb537278a2083c536fd0208edab55adba18b90884dd47c55449c05e6250',
-     x86_64: '79921f5b27571e342c7414e34f15dff0e7a610277ace4242043f50410a363d95',
+    aarch64: '6908c0f971832f710fd6f03711ff1c593198bca01fc6c195aa8e596e03bc3c03',
+     armv7l: '6908c0f971832f710fd6f03711ff1c593198bca01fc6c195aa8e596e03bc3c03',
+       i686: 'b63ee258889c30587a784dcfd934edf6306215b57bcfd13cd0bc00c8866de34f',
+     x86_64: '0141299bd8810a52b23f5985cd4d4682b6b4207ecfebac86d4c58248acfb14ab',
   })
 
   depends_on 'ninja'
@@ -27,4 +27,8 @@ class Meson < Package
   def self.install
     system "python3 setup.py install --prefix #{CREW_PREFIX} --root #{CREW_DEST_DIR}"
   end
+
+  def self.postinstall
+    system "pip3 install --upgrade --force-reinstall meson==#{version}"
+  end
 end
diff --git a/packages/ncurses.rb b/packages/ncurses.rb
index a24b98e27d..b542129505 100644
--- a/packages/ncurses.rb
+++ b/packages/ncurses.rb
@@ -3,67 +3,71 @@ require 'package'
 class Ncurses < Package
   description 'The ncurses (new curses) library is a free software emulation of curses in System V Release 4.0 (SVr4), and more.'
   homepage 'https://www.gnu.org/software/ncurses/'
-  version '6.2'
+  version '6.2-20201205'
   compatibility 'all'
-  source_url 'https://ftpmirror.gnu.org/ncurses/ncurses-6.2.tar.gz'
-  source_sha256 '30306e0c76e0f9f1f0de987cf1c82a5c21e1ce6568b9227f7da5b71cbea86c9d'
+  source_url 'https://github.com/mirror/ncurses/archive/42259b594b5dabd37fe2bc294051d2db82e873a2.zip'
+  source_sha256 '782bd5e77fb795f505d6ffd3e443da1cd0ffd6ebb36588a3b7e81e7da34bf340'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-20201205-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-20201205-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-20201205-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/ncurses-6.2-20201205-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: 'e040d9c065046e107be2712904f0452720724254cc36aa7f04056246967b41b5',
-     armv7l: 'e040d9c065046e107be2712904f0452720724254cc36aa7f04056246967b41b5',
-       i686: '715c277f836a8f8f6c40736c667f63913d6e8ee005b4eb258a7a156a6b6db95a',
-     x86_64: '7ac9b423de77550b4ac2fc82ce4d42fc694352d3911918ba265ca2472d595f38',
+    aarch64: '780763658f32364cdc24bef4fb8efcb14d2beba989c7c0a894bf73f3e4fccc9b',
+     armv7l: '780763658f32364cdc24bef4fb8efcb14d2beba989c7c0a894bf73f3e4fccc9b',
+       i686: '3119323613fefd0c8c4d6f0ec6d55d2ae3ec6390aeb19eb01ca47bff4903322f',
+     x86_64: 'd342c29d70e7bb4405555954ee376ff72782b419025b673ee750fe7d0c9efa1f',
   })
 
   def self.build
     # build libncursesw
-    system "mkdir -p ncursesw_build"
-    Dir.chdir("ncursesw_build") do
-      system "../configure",
+    FileUtils.mkdir 'ncursesw_build'
+    Dir.chdir 'ncursesw_build' do
+      system '../configure',
              "--prefix=#{CREW_PREFIX}",
              "--libdir=#{CREW_LIB_PREFIX}",
-             "--without-normal",
-             "--with-shared",
-             "--with-cxx-shared",
-             "--without-debug",
-             "--enable-pc-files",
+             '--with-shared',
+             '--with-cxx-shared',
+             '--without-debug',
+             '--enable-pc-files',
              "--with-pkg-config-libdir=#{CREW_LIB_PREFIX}/pkgconfig",
-             "--enable-widec"
-      system "make"
+             '--enable-widec',
+             '--without-tests',
+             '--with-termlib'
+      system 'make'
     end
 
     # build libncurses
-    system "mkdir -p ncurses_build"
-    Dir.chdir("ncurses_build") do
-      system "../configure",
+    FileUtils.mkdir 'ncurses_build'
+    Dir.chdir 'ncurses_build' do
+      system '../configure',
              "--prefix=#{CREW_PREFIX}",
              "--libdir=#{CREW_LIB_PREFIX}",
-             "--without-normal",
-             "--with-shared",
-             "--with-cxx-shared",
-             "--without-debug",
-             "--enable-pc-files",
+             '--with-shared',
+             '--with-cxx-shared',
+             '--without-debug',
+             '--enable-pc-files',
              "--with-pkg-config-libdir=#{CREW_LIB_PREFIX}/pkgconfig",
-             "--disable-db-install",
-             "--without-manpages",
-             "--without-progs",
-             "--without-tack"
-      system "make"
+             '--disable-db-install',
+             '--without-manpages',
+             '--without-progs',
+             '--without-tack',
+             '--without-tests',
+             '--with-termlib'
+      system 'make'
     end
   end
 
   def self.install
-    Dir.chdir("ncursesw_build") do
-      system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    Dir.chdir 'ncursesw_build' do
+      system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libtinfow.so.6", "#{CREW_DEST_LIB_PREFIX}/libtinfow.so.5"
     end
-    Dir.chdir("ncurses_build") do
-      system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    Dir.chdir 'ncurses_build' do
+      system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+      FileUtils.ln_sf "#{CREW_LIB_PREFIX}/libtinfo.so.6", "#{CREW_DEST_LIB_PREFIX}/libtinfo.so.5"
     end
   end
 end
diff --git a/packages/pkgconfig.rb b/packages/pkgconfig.rb
index 8d510bc656..3cd124f5b4 100644
--- a/packages/pkgconfig.rb
+++ b/packages/pkgconfig.rb
@@ -3,60 +3,59 @@ require 'package'
 class Pkgconfig < Package
   description 'pkg-config is a helper tool used when compiling applications and libraries.'
   homepage 'https://www.freedesktop.org/wiki/Software/pkg-config/'
-  version '0.29.2-0'
+  version '0.29.2-1'
   compatibility 'all'
   source_url 'http://pkgconfig.freedesktop.org/releases/pkg-config-0.29.2.tar.gz'
   source_sha256 '6fc69c01688c9458a57eb9a1664c9aba372ccda420a02bf4429fe610e7e7d591'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-0-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-0-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-0-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-0-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-1-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-1-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-1-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/pkgconfig-0.29.2-1-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '38f69777e092690dd565ce6d43bfbc6b3906d81d6547c889b8c869bca10c3d40',
-     armv7l: '38f69777e092690dd565ce6d43bfbc6b3906d81d6547c889b8c869bca10c3d40',
-       i686: '3e4407346894c23be4a9f67bea88815b0086a292ab70fea149c20ff99017103b',
-     x86_64: '9ec6d03083164dd778e3cdfc75224c4d307adad2ac93ce1a0077a14e6d6390cc',
+    aarch64: '88909e28a93e6b1baf864d8ba5b2d3eb28edb9bbc8455211c0d26993562e5895',
+     armv7l: '88909e28a93e6b1baf864d8ba5b2d3eb28edb9bbc8455211c0d26993562e5895',
+       i686: 'a225901ea0c0236f77f308814acfdfd262a649efd1bee95f21fc5b16fa198f69',
+     x86_64: 'e86ed00a42e902ce4364c04d01f8bb94da0e31d740025f978ddb024a06f52ec8',
   })
-  
-  depends_on 'python27' => :build
 
   def self.build
     case ARCH
-    when "x86_64"
-      system "./configure",
+    when 'x86_64'
+      system './configure',
              "--prefix=#{CREW_PREFIX}",
              "--libdir=#{CREW_LIB_PREFIX}",
-             "--with-internal-glib",
+             '--with-internal-glib',
              "--with-pc-path=#{CREW_PREFIX}/lib/pkgconfig:#{CREW_PREFIX}/lib64/pkgconfig:#{CREW_PREFIX}/share/pkgconfig",
              "--with-system-include-path=/usr/include:#{CREW_PREFIX}/include",
              "--with-system-library-path=#{CREW_PREFIX}/lib:#{CREW_PREFIX}/lib64",
-             "--disable-static",
-             "--enable-shared",
-             "--disable-host-tool"
-    when "i686","armv7l","aarch64"
-      system "./configure",
+             '--disable-static',
+             '--enable-shared',
+             '--disable-host-tool',
+             '--with-libiconv=gnu'
+    when 'i686','armv7l','aarch64'
+      system './configure',
              "--prefix=#{CREW_PREFIX}",
              "--libdir=#{CREW_LIB_PREFIX}",
-             "--with-internal-glib",
+             '--with-internal-glib',
              "--with-pc-path=#{CREW_PREFIX}/lib/pkgconfig:#{CREW_PREFIX}/share/pkgconfig",
              "--with-system-include-path=/usr/include:#{CREW_PREFIX}/include",
              "--with-system-library-path=#{CREW_PREFIX}/lib",
-             "--disable-static",
-             "--enable-shared",
-             "--disable-host-tool"
+             '--disable-static',
+             '--enable-shared',
+             '--disable-host-tool',
+             '--with-libiconv=gnu'
     end
-    system "make"
-
-  end
-
-  def self.install
-    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    system 'make'
   end
 
   def self.check
-    system "make", "check"
+    system 'make', 'check'
+  end
+
+  def self.install
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
   end
 end
diff --git a/packages/setuptools.rb b/packages/setuptools.rb
index 4ef2a0422b..860ab68530 100644
--- a/packages/setuptools.rb
+++ b/packages/setuptools.rb
@@ -3,22 +3,22 @@ require 'package'
 class Setuptools < Package
   description 'Easily download, build, install, upgrade, and uninstall Python packages'
   homepage 'https://pypi.org/project/setuptools/'
-  version '46.1.3'
+  version '50.3.2'
   compatibility 'all'
-  source_url 'https://github.com/pypa/setuptools/archive/v46.1.3.tar.gz'
-  source_sha256 '984eeb7909fa610a441711c00dc4fa5bbf3c49f9b4b5204b56b7362bdd04f397'
+  source_url 'https://github.com/pypa/setuptools/archive/v50.3.2.tar.gz'
+  source_sha256 '7d97c001ce9193c6d947bc584b6a19f593e1d2dd4d6c443de3b1e545875bc132'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-46.1.3-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-46.1.3-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-46.1.3-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-46.1.3-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-50.3.2-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-50.3.2-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-50.3.2-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/setuptools-50.3.2-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '480fa13c1f2ef97d31e08ec9da385f71034a878ec6a19ccfa7ef4fc776a12142',
-     armv7l: '480fa13c1f2ef97d31e08ec9da385f71034a878ec6a19ccfa7ef4fc776a12142',
-       i686: '758a37bddd867c069f237a6d70e56377e088391f1a75e1d81a230838aa5cd242',
-     x86_64: '58f237baeb6e5de572d63a357d8b5c92288112db572f619bb40713319692a94c',
+    aarch64: 'bb3de709aa29d38537d1690bd3c3b75aa213f7afbe1e60e883d85dc926fc5aec',
+     armv7l: 'bb3de709aa29d38537d1690bd3c3b75aa213f7afbe1e60e883d85dc926fc5aec',
+       i686: 'bfb77f5a9fe09deefdc4cec86c8424d1f3d7d3c3e575865d0a50ed406fc4f03c',
+     x86_64: '2900eaa2a0cda2be9c692f673e72f95cf25a6267794b170dd0f7a1b10f362bff',
   })
 
   depends_on 'python27'
@@ -29,7 +29,9 @@ class Setuptools < Package
   end
 
   def self.install
-    system "python2 setup.py install --root #{CREW_DEST_DIR} --prefix #{CREW_PREFIX}"
-    system "python3 setup.py install --root #{CREW_DEST_DIR} --prefix #{CREW_PREFIX}"
+    # Now let python3 pip install and overwrite pip, leaving pip2 for python27
+    system "python3 setup.py install --root=#{CREW_DEST_DIR} --prefix=#{CREW_PREFIX}"
+    # Install pip for python2 using the last supported systemtools version (<=v45) for python27.
+    system "pip2 install setuptools==44.1.1 --root=#{CREW_DEST_DIR} --prefix=#{CREW_PREFIX}"
   end
 end