diff --git a/ops/nixos/lib/gitlab-runner-cacher.nix b/ops/nixos/lib/gitlab-runner-cacher.nix
index b96f20070c..ceffdabd0e 100644
--- a/ops/nixos/lib/gitlab-runner-cacher.nix
+++ b/ops/nixos/lib/gitlab-runner-cacher.nix
@@ -26,6 +26,10 @@
     gracefulTermination = true;
     gracefulTimeout = "4min";
     package = depot.nix.pkgs.heptapod-runner;
+    extraPackages = with pkgs; [
+      git
+      depot.nix.pkgs.heptapod-runner-mercurial
+    ];
   };
   users.users.gitlab-runner = {
     isNormalUser = true;