diff --git a/pkgs/by-name/um/umpire/package.nix b/pkgs/by-name/um/umpire/package.nix
index 075084affdd1..17fae99e313f 100644
--- a/pkgs/by-name/um/umpire/package.nix
+++ b/pkgs/by-name/um/umpire/package.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     owner = "LLNL";
     repo = "umpire";
     rev = "v${version}";
-    hash = "sha256-T3f5zFaDri7v09/LNJE7v45Nosx9QQjTptnuFREk6PM=";
+    hash = "sha256-JbYaJe4bqlB272aZxB3Amw8fX/pmZr/4/7kaukAiK8c=";
     fetchSubmodules = true;
   };