diff --git a/packages/composer.rb b/packages/composer.rb
index c42ea18be0..809a8c4f06 100644
--- a/packages/composer.rb
+++ b/packages/composer.rb
@@ -3,9 +3,9 @@ require 'package'
 class Composer < Package
   description 'Dependency Manager for PHP'
   homepage 'https://getcomposer.org/'
-  version '1.7.2'
-  source_url 'https://github.com/composer/composer/archive/1.7.2.tar.gz'
-  source_sha256 'b0d9fa978b0a05017de60d25701fbe270b4a49870d6c4e573b5678ad565c1743'
+  version '1.7.3'
+  source_url 'https://github.com/composer/composer/archive/1.7.3.tar.gz'
+  source_sha256 'bad4df3e17eca61d12a4cca0ace934659382ef38a6234be384e79d39e5945c0d'
 
   binary_url ({
   })
@@ -27,9 +27,9 @@ class Composer < Package
 
   def self.install
     system "php -r \"copy('https://getcomposer.org/installer', 'composer-setup.php');\""
-    abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA384.hexdigest( File.read('composer-setup.php') ) == '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061' 
+    abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA384.hexdigest( File.read('composer-setup.php') ) == '93b54496392c062774670ac18b134c3b3a95e5a5e5c8f1a9f115f203b75bf9a129d5daa8ba6a13e2cc8a1da0806388a8' 
     system "mkdir -p #{CREW_DEST_PREFIX}/bin"
-    system "php composer-setup.php --install-dir=#{CREW_DEST_PREFIX}/bin --filename=composer --version=1.7.2"
+    system "php composer-setup.php --install-dir=#{CREW_DEST_PREFIX}/bin --filename=composer --version=1.7.3"
     system "mkdir -p #{CREW_DEST_PREFIX}/.config"
     system "cp -r $HOME/.config/composer #{CREW_DEST_PREFIX}/.config"
     system "rm -rf $HOME/.config"