diff --git a/nixos/boxes/colony/vms/shill/containers-ext.nix b/nixos/boxes/colony/vms/shill/containers-ext.nix
index 53c4f0d..76d0f26 100644
--- a/nixos/boxes/colony/vms/shill/containers-ext.nix
+++ b/nixos/boxes/colony/vms/shill/containers-ext.nix
@@ -65,7 +65,7 @@ in
         serviceConfig = {
           CPUQuota = "400%";
           MemoryHigh = "4G";
-          MemoryMax = "4.5G";
+          MemoryMax = "4.1G";
         };
 
         wantedBy = [ "machines.target" ];