diff --git a/pkgs/development/python-modules/watermark/default.nix b/pkgs/development/python-modules/watermark/default.nix
index 4a0a67b95bc3..04e8859c39ac 100644
--- a/pkgs/development/python-modules/watermark/default.nix
+++ b/pkgs/development/python-modules/watermark/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "watermark";
-  version = "2.5.0";
+  version = "2.5.1";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "rasbt";
     repo = "watermark";
     tag = "v${version}";
-    hash = "sha256-UR4kV6UoZ/JLO19on+qEH+M05QIsT0SXvXJtTMCKuZM=";
+    hash = "sha256-vHnXPGHPQz6+y2ZvfmUouL/3JlATGo4fmZ8AIk+bNEU=";
   };
 
   nativeBuildInputs = [ setuptools ];