diff --git a/pkgs/development/python-modules/assertpy/default.nix b/pkgs/development/python-modules/assertpy/default.nix
index c884de4f1d3e..36c97919aea0 100644
--- a/pkgs/development/python-modules/assertpy/default.nix
+++ b/pkgs/development/python-modules/assertpy/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage (finalAttrs: {
     owner = "assertpy";
     repo = "assertpy";
     tag = finalAttrs.version;
-    sha256 = "0hnfh45cmqyp7zasrllwf8gbq3mazqlhhk0sq1iqlh6fig0yfq2f";
+    hash = "sha256-TmDnwYvOQIpjwBpMCCn+qg68HnKc0qzVP9fjygqBzkI=";
   };
 
   build-system = [ setuptools ];