diff --git a/pkgs/development/python-modules/parver/default.nix b/pkgs/development/python-modules/parver/default.nix
index a51f1c00327..268e9002010 100644
--- a/pkgs/development/python-modules/parver/default.nix
+++ b/pkgs/development/python-modules/parver/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "parver";
-  version = "0.3.0";
+  version = "0.3.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0a6jp17c1ag6b9yp5xgy9wvznk3g0v2f8gpwkcwxpyc9ygk98zdm";
+    sha256 = "c902e0653bcce927cc156a7fd9b3a51924cbce3bf3d0bfd49fc282bfd0c5dfd3";
   };
 
   propagatedBuildInputs = [ six attrs arpeggio ];