diff --git a/pkgs/development/python-modules/slack-sdk/default.nix b/pkgs/development/python-modules/slack-sdk/default.nix
index 8a226f9a6743..433f9ad62a85 100644
--- a/pkgs/development/python-modules/slack-sdk/default.nix
+++ b/pkgs/development/python-modules/slack-sdk/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "slack-sdk";
-  version = "3.20.2";
+  version = "3.21.3";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = "slackapi";
     repo = "python-slack-sdk";
     rev = "refs/tags/v${version}";
-    hash = "sha256-2MPXV+rVXZYMTZe11T8x8GKQmHZwUlkwarCkheVkERo=";
+    hash = "sha256-begpT/DaDqOi8HZE10FCuIIv18KSU/i5G/Z5DXKUT7Y=";
   };
 
   propagatedBuildInputs = [
@@ -65,6 +65,7 @@ buildPythonPackage rec {
     "test_start_raises_an_error_if_rtm_ws_url_is_not_returned"
     "test_org_installation"
     "test_interactions"
+    "test_issue_690_oauth_access"
   ];
 
   pythonImportsCheck = [