diff --git a/pkgs/development/python-modules/pytest-helpers-namespace/default.nix b/pkgs/development/python-modules/pytest-helpers-namespace/default.nix
index c634aa00718..43ef2a1339f 100644
--- a/pkgs/development/python-modules/pytest-helpers-namespace/default.nix
+++ b/pkgs/development/python-modules/pytest-helpers-namespace/default.nix
@@ -6,13 +6,13 @@
 
 buildPythonPackage rec {
   pname = "pytest-helpers-namespace";
-  version = "2019.1.8";
+  version = "2021.3.24";
 
   src = fetchFromGitHub {
     owner = "saltstack";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "0z9f25d2wpf3lnqzmmnrlvl5b1f7kqwjjf4nzs9x2bpf91s5zny1";
+    rev = version;
+    sha256 = "0ikwiwp9ycgg7px78nxdkqvg7j97krb6vzqlb8fq8fvbwrj4q4v2";
   };
 
   buildInputs = [ pytest ];