diff --git a/pkgs/development/python-modules/pyglet/default.nix b/pkgs/development/python-modules/pyglet/default.nix
index 66129553b736..7addcf531426 100644
--- a/pkgs/development/python-modules/pyglet/default.nix
+++ b/pkgs/development/python-modules/pyglet/default.nix
@@ -18,13 +18,13 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.5.20";
+  version = "1.5.21";
   pname = "pyglet";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "ce76ce598ac910fbae6aae0db00aac21d19d62bdc8c616ed6e6a6a395dc44513";
+    sha256 = "5aaaddb06dc4b6f9ba08254d8d806a2bd2406925a9caf3a51fdffbd5d09728e2";
     extension = "zip";
   };