diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 6f1f462ec9a7..d664c00bc31d 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -197,11 +197,11 @@ in {
     };
   };
 
-  ruby_2_2_7 = generic {
-    version = rubyVersion "2" "2" "7" "";
+  ruby_2_2_8 = generic {
+    version = rubyVersion "2" "2" "8" "";
     sha256 = {
-      src = "199xz5bvmp26c7vyzw47cpxkd8jk826kc8nlpavqzj5vqp388h9p";
-      git = "0i0nsm9ldjp39m9xq47v8w6wlg821ikczz530493cs150qkqa0a1";
+      src = "12i6v5i0djl4xx3x7fq12snqb5d4drqjmnwqs05fby4bagcbjdwg";
+      git = "16nw0795nhrj13crp5x4jis8hmi3gsyjl96pwk698wlrb89lf9bw";
     };
   };
 
diff --git a/pkgs/development/interpreters/ruby/patchsets.nix b/pkgs/development/interpreters/ruby/patchsets.nix
index 5bc1b858425b..3d3b17cd2f70 100644
--- a/pkgs/development/interpreters/ruby/patchsets.nix
+++ b/pkgs/development/interpreters/ruby/patchsets.nix
@@ -24,7 +24,7 @@ rec {
     "${patchSet}/patches/ruby/2.1.8/railsexpress/08-funny-falcon-method-cache.patch"
     "${patchSet}/patches/ruby/2.1.8/railsexpress/09-heap-dump-support.patch"
   ];
-  "2.2.7" = ops useRailsExpress [
+  "2.2.8" = ops useRailsExpress [
     "${patchSet}/patches/ruby/2.2/head/railsexpress/01-zero-broken-tests.patch"
     "${patchSet}/patches/ruby/2.2/head/railsexpress/02-improve-gc-stats.patch"
     "${patchSet}/patches/ruby/2.2/head/railsexpress/03-display-more-detailed-stack-trace.patch"
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 71c0f127b378..d6f9caa3cbbb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6701,7 +6701,7 @@ with pkgs;
   inherit (callPackage ../development/interpreters/ruby {})
     ruby_2_0_0
     ruby_2_1_10
-    ruby_2_2_7
+    ruby_2_2_8
     ruby_2_3_5
     ruby_2_4_2;
 
@@ -6709,7 +6709,7 @@ with pkgs;
   ruby = ruby_2_3;
   ruby_2_0 = ruby_2_0_0;
   ruby_2_1 = ruby_2_1_10;
-  ruby_2_2 = ruby_2_2_7;
+  ruby_2_2 = ruby_2_2_8;
   ruby_2_3 = ruby_2_3_5;
   ruby_2_4 = ruby_2_4_2;