diff --git a/pkgs/development/python-modules/comm/default.nix b/pkgs/development/python-modules/comm/default.nix
index e03eae5ffdbb..3c2fa837a8cd 100644
--- a/pkgs/development/python-modules/comm/default.nix
+++ b/pkgs/development/python-modules/comm/default.nix
@@ -8,7 +8,7 @@
 
 let
   pname = "comm";
-  version = "0.2.0";
+  version = "0.2.1";
 in
 buildPythonPackage {
   inherit pname version;
@@ -18,7 +18,7 @@ buildPythonPackage {
     owner = "ipython";
     repo = "comm";
     rev = "refs/tags/v${version}";
-    hash = "sha256-bErZNTm0spO0A/Lc8kq5u7sB0FMXm/WMWtFbCNGJVXE=";
+    hash = "sha256-iyO3q9E2lYU1rMYTnsa+ZJYh+Hq72LEvE9ynebFIBUk=";
   };
 
   nativeBuildInputs = [