diff --git a/pkgs/development/python-modules/slack-sdk/default.nix b/pkgs/development/python-modules/slack-sdk/default.nix
index 82411d20626e..b1f155488f57 100644
--- a/pkgs/development/python-modules/slack-sdk/default.nix
+++ b/pkgs/development/python-modules/slack-sdk/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "slack-sdk";
-  version = "3.33.5";
+  version = "3.34.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "slackapi";
     repo = "python-slack-sdk";
     rev = "refs/tags/v${version}";
-    hash = "sha256-kpilxg/S9/U6lJW8FsMvcdGh+qqDH0Kr66sc+HsY2DM=";
+    hash = "sha256-aL8XOlvnAxT9cgPf8EvJT80FmlgL2Vhu7JxDRHkUoSM=";
   };
 
   postPatch = ''