diff --git a/configuration.nix b/configuration.nix
index ab34c6f..782e7d3 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -262,7 +262,7 @@ in
   # Open ports in the firewall.
   networking.firewall.allowedTCPPorts = [
     (builtins.head ({ openssh.ports = [22]; } // node_config.services).openssh.ports)
-    3900 3901               # Garage (internal RPC traffic)
+    3990 3991 3992          # Garage
     4646 4647 4648          # Nomad
     8500 8300 8301 8302     # Consul
     19999                   # Netdata