diff --git a/pkgs/development/python-modules/websockets/default.nix b/pkgs/development/python-modules/websockets/default.nix
index b8bbf8ce1512..7ccafafad54e 100644
--- a/pkgs/development/python-modules/websockets/default.nix
+++ b/pkgs/development/python-modules/websockets/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "websockets";
-  version = "10.3";
+  version = "10.4";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "aaugustin";
     repo = pname;
     rev = version;
-    hash = "sha256-ZUn/DvO1Kx7Uxne4DF/am69YL1c48qpgQrGek355Z+4=";
+    hash = "sha256-IylvnaS8cHatA+WMc5uY9E+l+52INqOMITU1VJPO2xY=";
   };
 
   patchPhase = ''