diff --git a/pkgs/by-name/ru/ruff/package.nix b/pkgs/by-name/ru/ruff/package.nix
index 304924e55e97..d9950ba56618 100644
--- a/pkgs/by-name/ru/ruff/package.nix
+++ b/pkgs/by-name/ru/ruff/package.nix
@@ -16,18 +16,18 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "ruff";
-  version = "0.15.2";
+  version = "0.15.3";
 
   src = fetchFromGitHub {
     owner = "astral-sh";
     repo = "ruff";
     tag = finalAttrs.version;
-    hash = "sha256-Mcero8doPndU3hAIU/bFA8Boc98okKc+hDfdz4slx5M=";
+    hash = "sha256-xeZk044anJ21uQwV3VN1QOvav+soYVdArpEw/rr8Xsw=";
   };
 
   cargoBuildFlags = [ "--package=ruff" ];
 
-  cargoHash = "sha256-3GCPejBOyLRZpanFrXHlaLWImMUEmoSejCazzG5sVfo=";
+  cargoHash = "sha256-16Ao1y0pFWxGjHkGi4VCIA9msvA5Tka8wvok8o3g6rc=";
 
   nativeBuildInputs = [ installShellFiles ];
 
diff --git a/pkgs/development/python-modules/ruff/default.nix b/pkgs/development/python-modules/ruff/default.nix
index d32d951c4aec..2322db869620 100644
--- a/pkgs/development/python-modules/ruff/default.nix
+++ b/pkgs/development/python-modules/ruff/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage {
     # Do not rely on path lookup at runtime to find the ruff binary.
     # Use the propagated binary instead.
     ''
-      substituteInPlace python/ruff/__main__.py \
+      substituteInPlace python/ruff/_find_ruff.py \
         --replace-fail \
           'ruff_exe = "ruff" + sysconfig.get_config_var("EXE")' \
           'return "${lib.getExe ruff}"'