diff --git a/pkgs/development/python-modules/cmarkgfm/default.nix b/pkgs/development/python-modules/cmarkgfm/default.nix
index 5b94dc78cd6..756aa6af2e6 100644
--- a/pkgs/development/python-modules/cmarkgfm/default.nix
+++ b/pkgs/development/python-modules/cmarkgfm/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "cmarkgfm";
-  version = "0.5.2";
+  version = "0.5.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e7d65b90645faa55c28886d01f658235af08b4c4edbf9d959518a17007dd20b4";
+    sha256 = "sha256-tqVJq6Mnq9mG1nSM8hyGN9dBx2hQ5/773vjSi/4TjjI=";
   };
 
   propagatedBuildInputs = [ cffi ];