diff --git a/runner_system.nix b/runner_system.nix
index b9ccc46..1e05c8d 100644
--- a/runner_system.nix
+++ b/runner_system.nix
@@ -41,6 +41,11 @@ in
           runner = {
             capacity = 4;
           };
+          container = {
+            valid_volumes = [
+              "**"
+            ];
+          };
         };
       };
     };