diff --git a/pkgs/development/python-modules/slack-sdk/default.nix b/pkgs/development/python-modules/slack-sdk/default.nix
index 22901130ccd8..7114b7b16716 100644
--- a/pkgs/development/python-modules/slack-sdk/default.nix
+++ b/pkgs/development/python-modules/slack-sdk/default.nix
@@ -21,7 +21,7 @@
 
 buildPythonPackage rec {
   pname = "slack-sdk";
-  version = "3.19.5";
+  version = "3.20.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -30,7 +30,7 @@ buildPythonPackage rec {
     owner = "slackapi";
     repo = "python-slack-sdk";
     rev = "refs/tags/v${version}";
-    hash = "sha256-/DVcnfHjvmRreHSlZbzxz6pbqytEUdqbaGbQVxIW4Qk=";
+    hash = "sha256-NlUmoOlRV7h7d553uX2tAWi2aWCAqpHflSUrdZxlaws=";
   };
 
   propagatedBuildInputs = [