diff --git a/pkgs/development/interpreters/ruby/ruby-2.1.1.nix b/pkgs/development/interpreters/ruby/ruby-2.1.1.nix
index e26cdd5b315..6a53c2d93ea 100644
--- a/pkgs/development/interpreters/ruby/ruby-2.1.1.nix
+++ b/pkgs/development/interpreters/ruby/ruby-2.1.1.nix
@@ -57,12 +57,12 @@ stdenv.mkDerivation rec {
     "${patchSet}/patches/ruby/2.1.0/railsexpress/03-display-more-detailed-stack-trace.patch"
     "${patchSet}/patches/ruby/2.1.0/railsexpress/04-show-full-backtrace-on-stack-overflow.patch"
     "${patchSet}/patches/ruby/2.1.0/railsexpress/05-fix-missing-c-return-event.patch"
-    "${patchSet}/patches/ruby/2.1.0/railsexpress/06-backport-006e66b6680f60adfb434ee7397f0dbc77de7873.patch"
-    "${patchSet}/patches/ruby/2.1.0/railsexpress/07-funny-falcon-stc-density.patch"
-    "${patchSet}/patches/ruby/2.1.0/railsexpress/08-funny-falcon-stc-pool-allocation.patch"
-    "${patchSet}/patches/ruby/2.1.0/railsexpress/09-aman-opt-aset-aref-str.patch"
-    "${patchSet}/patches/ruby/2.1.0/railsexpress/10-funny-falcon-method-cache.patch"
-    "${patchSet}/patches/ruby/2.1.0/railsexpress/11-backport-r44370.patch"
+    "${patchSet}/patches/ruby/2.1.0/railsexpress/07-backport-006e66b6680f60adfb434ee7397f0dbc77de7873.patch"
+    "${patchSet}/patches/ruby/2.1.0/railsexpress/08-funny-falcon-stc-density.patch"
+    "${patchSet}/patches/ruby/2.1.0/railsexpress/09-funny-falcon-stc-pool-allocation.patch"
+    "${patchSet}/patches/ruby/2.1.0/railsexpress/10-aman-opt-aset-aref-str.patch"
+    "${patchSet}/patches/ruby/2.1.0/railsexpress/11-funny-falcon-method-cache.patch"
+    "${patchSet}/patches/ruby/2.1.0/railsexpress/12-backport-r44370.patch"
   ];
 
   # Ruby >= 2.1.0 tries to download config.{guess,sub}