diff --git a/pkgs/development/python-modules/pycrdt-websocket/default.nix b/pkgs/development/python-modules/pycrdt-websocket/default.nix
index 660077885c56..5cadb6ecfef3 100644
--- a/pkgs/development/python-modules/pycrdt-websocket/default.nix
+++ b/pkgs/development/python-modules/pycrdt-websocket/default.nix
@@ -27,7 +27,7 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pycrdt-websocket";
-  version = "0.16.3";
+  version = "0.16.4";
   pyproject = true;
   __structuredAttrs = true;
 
@@ -35,7 +35,7 @@ buildPythonPackage (finalAttrs: {
     owner = "y-crdt";
     repo = "pycrdt-websocket";
     tag = finalAttrs.version;
-    hash = "sha256-VGEMsy/UNowGuj9XnjU82H+48QOhqzjI76tqTuYjNlM=";
+    hash = "sha256-H9QxMxNCIvykGpdxNAtAbVpaJlpnq9O76nTh1raVfJU=";
   };
 
   build-system = [ hatchling ];