diff --git a/packages/cairo.rb b/packages/cairo.rb
index 7eabd6ca9..fe3215451 100644
--- a/packages/cairo.rb
+++ b/packages/cairo.rb
@@ -3,22 +3,9 @@ require 'package'
 class Cairo < Package
   description 'Cairo is a 2D graphics library with support for multiple output devices.'
   homepage 'https://www.cairographics.org'
-  version '1.14.12-1'
-  source_url 'https://www.cairographics.org/releases/cairo-1.14.12.tar.xz'
-  source_sha256 '8c90f00c500b2299c0a323dd9beead2a00353752b2092ead558139bd67f7bf16'
-
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/cairo-1.14.12-1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/cairo-1.14.12-1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/cairo-1.14.12-1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/cairo-1.14.12-1-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: '39ed1c001a51c6041b8f6e8454cc9cf2563e9d992f124d5266ca384e4932bc92',
-     armv7l: '39ed1c001a51c6041b8f6e8454cc9cf2563e9d992f124d5266ca384e4932bc92',
-       i686: '6e37fb090daa853dd24857eddfdad7f613a48efadd203f6fb147758fb68b1b33',
-     x86_64: 'b36c865cef3deb8c3c52dd5b0ac51a3a9811a12ce91fde4196d6a2cb289f3faa',
-  })
+  version '1.15.10'
+  source_url 'http://cairographics.org/snapshots/cairo-1.15.10.tar.xz'
+  source_sha256 '62ca226134cf2f1fd114bea06f8b374eb37f35d8e22487eaa54d5e9428958392'
 
   depends_on 'libpng'
   depends_on 'pixman'
diff --git a/packages/docbook_xml.rb b/packages/docbook_xml.rb
index f655f4dd1..4227ea248 100644
--- a/packages/docbook_xml.rb
+++ b/packages/docbook_xml.rb
@@ -32,8 +32,7 @@ class Docbook_xml < Package
   def self.install
     system "install -v -d -m755 #{CREW_DEST_DIR}/usr/local/share/xml/docbook/xml-dtd-4.3"
     system "install -v -d -m755 #{CREW_DEST_DIR}/usr/local/etc/xml"
-    system "cp -v -af docbook.cat *.dtd ent/ *.mod #{CREW_DEST_DIR}/usr/local/share/xml/docbook/xml-dtd-4.3"
-    
+ 
     system "if [ ! -e #{CREW_DEST_DIR}/usr/local/etc/xml/docbook ]; then
                 xmlcatalog --noout --create #{CREW_DEST_DIR}/usr/local/etc/xml/docbook
             fi &&
diff --git a/packages/gnome_common.rb b/packages/gnome_common.rb
new file mode 100644
index 000000000..d0ce27f26
--- /dev/null
+++ b/packages/gnome_common.rb
@@ -0,0 +1,25 @@
+require 'package'
+
+class Gnome_common < Package
+  description 'Common files for development of Gnome packages.'
+  homepage 'https://git.gnome.org/browse/gnome-common'
+  version '3.18.0'
+  source_url 'https://github.com/GNOME/gnome-common/archive/3.18.0.tar.gz'
+  source_sha256 '8407fd8786a44c9ce47987de0906d9266492195df9251a089afaa06cc65c72d8'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+  
+  def self.build
+    system "sh autogen.sh"
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install" # the steps required to install the package
+  end
+  
+end
diff --git a/packages/libcroco.rb b/packages/libcroco.rb
new file mode 100644
index 000000000..9c1553630
--- /dev/null
+++ b/packages/libcroco.rb
@@ -0,0 +1,30 @@
+require 'package'
+
+class Libcroco < Package
+  description 'Generic Cascading Style Sheet (CSS) parsing and manipulation toolkit.'
+  homepage 'https://git.gnome.org/browse/libcroco/'
+  version '0.6.12'
+  source_url 'http://ftp.gnome.org/pub/gnome/sources/libcroco/0.6/libcroco-0.6.12.tar.xz'
+  source_sha256 'ddc4b5546c9fb4280a5017e2707fbd4839034ed1aba5b7d4372212f34f84f860'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+  
+  depends_on 'libxml2'
+  depends_on 'gtk_doc'
+
+  def self.build
+    system "sh autogen.sh"
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "pip install six"
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    system "pip uninstall --yes six"
+  end
+  
+end
diff --git a/packages/librsvg.rb b/packages/librsvg.rb
new file mode 100644
index 000000000..0a0a91953
--- /dev/null
+++ b/packages/librsvg.rb
@@ -0,0 +1,37 @@
+require 'package'
+
+class Librsvg < Package
+  description 'Scalable Vector Graphics (SVG) rendering library.'
+  homepage 'https://wiki.gnome.org/Projects/LibRsvg'
+  version '2.42.3'
+  source_url 'https://download.gnome.org/sources/librsvg/2.42/librsvg-2.42.3.tar.xz'
+  source_sha256 '704f2c44b9b170fc5498de36a161d01ca8f584ba9c42654b98565a7b7bcbe657'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+  
+  depends_on 'gtk_doc'
+  depends_on 'vala'
+  depends_on 'cairo'
+  depends_on 'pango'
+  depends_on 'libxml2'
+  depends_on 'libcroco'
+  depends_on 'rust'
+  depends_on 'gdk_pixbuf'
+  depends_on 'gobject_introspection'
+  depends_on 'gtk3'
+
+  def self.build
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+def self.install
+    system "pip install six"
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    system "pip uninstall --yes six"
+ end
+  
+end