diff --git a/services/synapse/synapse.nix b/services/synapse/synapse.nix
index b46918d..ad9c4c5 100644
--- a/services/synapse/synapse.nix
+++ b/services/synapse/synapse.nix
@@ -24,7 +24,7 @@ mkIf enable {
       listeners = [
         {
           inherit port;
-          bind_addresses = [ "127.0.0.1" ];
+          bind_addresses = [ "::1" ];
           type = "http";
           tls = false;
           x_forwarded = true;