diff --git a/pkgs/development/python-modules/primecountpy/default.nix b/pkgs/development/python-modules/primecountpy/default.nix
index 666713cd95b5..40e5921f3e90 100644
--- a/pkgs/development/python-modules/primecountpy/default.nix
+++ b/pkgs/development/python-modules/primecountpy/default.nix
@@ -12,12 +12,12 @@
 
 buildPythonPackage rec {
   pname = "primecountpy";
-  version = "0.1.0";
+  version = "0.1.1";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "78fe7cc32115f0669a45d7c90faaf39f7ce3939e39e2e7e5f14c17fe4bff0676";
+    sha256 = "sha256-yFYYF8C+hu7/xBuXtu9hfXlfcs895Z2SNNHIPX5CQDA=";
   };
 
   buildInputs = [ primecount ];