diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index f73069809378..3167b2e7c0a4 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -434,8 +434,8 @@ in
   };
 
   ruby_3_4 = generic {
-    version = rubyVersion "3" "4" "4" "";
-    hash = "sha256-oFl7/fMS4BDv0e/6qNfx14MxRv3BeVDKqBWP+j3L+oU=";
+    version = rubyVersion "3" "4" "5" "";
+    hash = "sha256-HYjYontEL93kqgbcmehrC78LKIlj2EMxEt1frHmP1e4=";
     cargoHash = "sha256-5Tp8Kth0yO89/LIcU8K01z6DdZRr8MAA0DPKqDEjIt0=";
   };
 }