diff --git a/pkgs/development/python-modules/ibm-watson/default.nix b/pkgs/development/python-modules/ibm-watson/default.nix
index 7684f1a689cb..3698d8b2e368 100644
--- a/pkgs/development/python-modules/ibm-watson/default.nix
+++ b/pkgs/development/python-modules/ibm-watson/default.nix
@@ -14,13 +14,13 @@
 
 buildPythonPackage rec {
   pname = "ibm-watson";
-  version = "5.2.0";
+  version = "5.2.1";
 
   src = fetchFromGitHub {
     owner = "watson-developer-cloud";
     repo = "python-sdk";
     rev = "v${version}";
-    sha256 = "1abink5mv9nw506nwm9hlvnr1lq6dkxxj2j12iwphcyd7xs63n2s";
+    sha256 = "sha256-0F4BZf0D0dqGm0OkJaSgmH5RxEA8KCzOlbnhIQVsgzQ=";
   };
 
   checkInputs = [
@@ -40,8 +40,7 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace setup.py \
-      --replace websocket-client==0.48.0 websocket-client>=0.48.0 \
-      --replace ibm_cloud_sdk_core==3.3.6 ibm_cloud_sdk_core>=3.3.6
+      --replace websocket-client==1.1.0 websocket-client>=1.1.0
   '';
 
   meta = with lib; {