diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 4d8406f5f113..623f077a2220 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -399,8 +399,8 @@ in
   mkRuby = generic;
 
   ruby_3_3 = generic {
-    version = rubyVersion "3" "3" "10" "";
-    hash = "sha256-tVW6pGejBs/I5sbtJNDSeyfpob7R2R2VUJhZ6saw6Sg=";
+    version = rubyVersion "3" "3" "12" "";
+    hash = "sha256-sG1jvq4nGTMDPifwo4m8WCoAnnhFNX1ENlw53lJaBRs=";
     cargoHash = "sha256-xE7Cv+NVmOHOlXa/Mg72CTSaZRb72lOja98JBvxPvSs=";
   };