diff --git a/pkgs/tools/filesystems/afsctool/default.nix b/pkgs/tools/filesystems/afsctool/default.nix
index 303ec05bf834..92fe70c5a523 100644
--- a/pkgs/tools/filesystems/afsctool/default.nix
+++ b/pkgs/tools/filesystems/afsctool/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "afsctool";
-  version = "1.7.0";
+  version = "1.7.3";
 
   src = fetchFromGitHub {
     owner = "RJVB";
     repo = pname;
-    rev = version;
-    hash = "sha256-rqca7gpH46hk4MEPMHqYnteYJnGpLS/gu4XP7xWqDzo=";
+    rev = "v${version}";
+    hash = "sha256-cZ0P9cygj+5GgkDRpQk7P9z8zh087fpVfrYXMRRVUAI=";
   };
 
   nativeBuildInputs = [ pkg-config cmake git ];