diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 4120124d9bae..f1d48578541e 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -218,10 +218,10 @@ in {
   };
 
   ruby_2_5 = generic {
-    version = rubyVersion "2" "5" "2" "";
+    version = rubyVersion "2" "5" "3" "";
     sha256 = {
-      src = "0wgl1697sdiqh6ksgv40v627jp5557j1zi462krwnzhc9bk408xk";
-      git = "00xy323q2f2v102hfgsj9k20vggvvmyhd6byfhbc1qwz2vyrvc47";
+      src = "0v4442aqqlzxwc792kbkfs2k61qg97r680is6gx20z63a8wd0a4q";
+      git = "0r9mgvqk6gj8pc9q6qmy7j2kbln7drc8wy67sb2ij8ciclcw9nn2";
     };
   };
 }
diff --git a/pkgs/development/interpreters/ruby/patchsets.nix b/pkgs/development/interpreters/ruby/patchsets.nix
index 151e9c483530..c87cb120b401 100644
--- a/pkgs/development/interpreters/ruby/patchsets.nix
+++ b/pkgs/development/interpreters/ruby/patchsets.nix
@@ -11,7 +11,7 @@ rec {
     "${patchSet}/patches/ruby/2.4/head/railsexpress/02-improve-gc-stats.patch"
     "${patchSet}/patches/ruby/2.4/head/railsexpress/03-display-more-detailed-stack-trace.patch"
   ];
-  "2.5.2" = ops useRailsExpress [
+  "2.5.3" = ops useRailsExpress [
     "${patchSet}/patches/ruby/2.5/head/railsexpress/01-fix-broken-tests-caused-by-ad.patch"
     "${patchSet}/patches/ruby/2.5/head/railsexpress/02-improve-gc-stats.patch"
     "${patchSet}/patches/ruby/2.5/head/railsexpress/03-more-detailed-stacktrace.patch"