diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 20dc23979f5..6a83e079916 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -78,6 +78,15 @@ in
         [ darwin.apple_sdk.frameworks.CoreServices ];
   };
 
+  # disable bundle install as it can't install anything in addition to what is
+  # specified in pkgs/applications/misc/jekyll/Gemfile anyway
+  jekyll = attrs: {
+    postInstall = ''
+      installPath=$(cat $out/nix-support/gem-meta/install-path)
+      sed -i $installPath/lib/jekyll/commands/new.rb -e 's@Exec.run("bundle", "install"@Exec.run("true"@'
+    '';
+  };
+
   # note that you need version >= v3.16.14.8,
   # otherwise the gem will fail to link to the libv8 binary.
   # see: https://github.com/cowboyd/libv8/pull/161