diff --git a/nixos/pkgs/zkapissuer-repo.nix b/nixos/pkgs/zkapissuer-repo.nix
index 77163f238d8c46648b857ae1ecd16ff2c3fb58ce..9b21c195bcf9d010d1815521ef68d1703ceea07c 100644
--- a/nixos/pkgs/zkapissuer-repo.nix
+++ b/nixos/pkgs/zkapissuer-repo.nix
@@ -4,6 +4,6 @@ in
   pkgs.fetchFromGitHub {
     owner = "PrivateStorageio";
     repo = "PaymentServer";
-    rev = "354d174f641e2e433c72dde8eb12c9fbaeb875a4";
-    sha256 = "0mv3q8pgic0cpdzx19w296d29cwamwv0pjxb8z6p01dj2jf94zzs";
+    rev = "18f3d56e2ac795da5eb5f8ecf01a93f005ce478b";
+    sha256 = "1bw3yz971j3rr16pb9cj3jyka3akc8kdx8fv5zlfyvhnm67gdlqx";
   }
\ No newline at end of file