diff --git a/pkgs/development/python-modules/fipy/default.nix b/pkgs/development/python-modules/fipy/default.nix
index 995962006f9f..c2dcdd60488d 100644
--- a/pkgs/development/python-modules/fipy/default.nix
+++ b/pkgs/development/python-modules/fipy/default.nix
@@ -32,7 +32,7 @@ buildPythonPackage rec {
     owner = "usnistgov";
     repo = "fipy";
     rev = "refs/tags/${version}";
-    hash = "sha256-345YrGQgHNq0FULjJjLqHksyfm/EHl+KyGfxwS6xK9U=";
+    hash = "sha256-usuAj+bIzbCSxYuKeUDxEESbjxPCwYwdD/opaBbgl1w=";
   };
 
   propagatedBuildInputs = [