diff --git a/nix/packages/by-name/ruler/package.nix b/nix/packages/by-name/ruler/package.nix
index 0bf791a4..e873a2b6 100644
--- a/nix/packages/by-name/ruler/package.nix
+++ b/nix/packages/by-name/ruler/package.nix
@@ -11,8 +11,8 @@ let
     domain = "git.confusedcompiler.org";
     owner = "leana8959";
     repo = "ruler";
-    rev = "6cdadb92b8cff6d57bc1d15061923bfbf40ede71";
-    hash = "sha256-TwUXpgdmGBUgyxyN/nRReu3VniYdLkAVp1Q72r9ouBI=";
+    rev = "0b4e3ea1e477d4a817da8730fab7fb22ba25fa61";
+    hash = "sha256-CoGJ3uOVEd6K+zFeBkZKVYVm5697Qu9aLYzmlfqGej0=";
   }) { };
 
   cabalOverrides = o: {