diff --git a/pkgs/development/python-modules/pytorch-lightning/default.nix b/pkgs/development/python-modules/pytorch-lightning/default.nix
index 1ed718a70032..c2244a1c1447 100644
--- a/pkgs/development/python-modules/pytorch-lightning/default.nix
+++ b/pkgs/development/python-modules/pytorch-lightning/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "pytorch-lightning";
-  version = "2.1.1";
+  version = "2.1.2";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "Lightning-AI";
     repo = "pytorch-lightning";
     rev = "refs/tags/${version}";
-    hash = "sha256-1psTa++qF5WPDVXeDGWfcQ4hGz98uW297QDUKrQyoRE=";
+    hash = "sha256-d5DKAx67uuIPxtSgazIQnxLiHTBD0lwHaB6LD3R6vKA=";
   };
 
   preConfigure = ''