diff --git a/nix/packages/by-name/ruler/package.nix b/nix/packages/by-name/ruler/package.nix
index 7ab3f55b..1a7da098 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 = "f328620a52b25d4c9dea64425afe5995dfb8cb5a";
-    hash = "sha256-8nSVFckWXkf9dRTdzjbHRhf/qPdbXHEkVI4DyW3zfSo=";
+    rev = "00b6c4f1b5d764b049028ba4207ca1dc8ad74f2b";
+    hash = "sha256-CI9jKcNoFqv4AgQIFFkqafcg2ybs2MN+RaEnuv72Mbc=";
   }) { };
 
   cabalOverrides = o: {