diff --git a/services/auto-pr.nix b/services/auto-pr.nix
index 228f7a9fa..6e808851d 100644
--- a/services/auto-pr.nix
+++ b/services/auto-pr.nix
@@ -27,7 +27,7 @@ in
             ignoreCollisions = true;
           };
         in "${pkgs.writeShellScriptBin "run.sh" ''
-          ${env}/bin/python ${pkgs.writeScript "pr-autobot.py" "${readFile ./pr-autobot.py}"} --private-key /var/lib/auto-pr-bot/private-key.pem --app-id 19565 --installation-id 407088 --repo nyanloutre/nixpkgs --cache-dir /var/cache/auto-pr-bot --version 19.03
+          ${env}/bin/python ${pkgs.writeScript "pr-autobot.py" "${readFile ./pr-autobot.py}"} --private-key /var/lib/auto-pr-bot/private-key.pem --app-id 19565 --installation-id 407088 --repo nyanloutre/nixpkgs --cache-dir /var/cache/auto-pr-bot --version 19.09
         ''}/bin/run.sh";
       };
     };