diff --git a/m/hut/gitlab-runner.nix b/m/hut/gitlab-runner.nix
index 67869342..859b87cf 100644
--- a/m/hut/gitlab-runner.nix
+++ b/m/hut/gitlab-runner.nix
@@ -61,6 +61,8 @@
         registrationFlags = [
           # Increase build log length to 64 MiB
           "--output-limit 65536"
+          # Allow the runner to be used in multiple projects
+          "--locked=false"
         ];
         preBuildScript = pkgs.writeScript "setup-container" ''
           mkdir -p -m 0755 /nix/var/log/nix/drvs