diff --git a/pkgs/development/python-modules/schemdraw/default.nix b/pkgs/development/python-modules/schemdraw/default.nix
index 1f68eb22dd6d..c4ae533dc8eb 100644
--- a/pkgs/development/python-modules/schemdraw/default.nix
+++ b/pkgs/development/python-modules/schemdraw/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "schemdraw";
-  version = "0.20";
+  version = "0.21";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -25,7 +25,7 @@ buildPythonPackage rec {
     owner = "cdelker";
     repo = "schemdraw";
     tag = version;
-    hash = "sha256-mt1XTrUH570zrJpCFo0jORAE/jo7H2T7sKpIskYw8bk=";
+    hash = "sha256-+pvVt7Of5v17PNdZMj8hHvE5tICiTRMelp4trdUZsz4=";
   };
 
   build-system = [ setuptools ];