diff --git a/docker-compose.yml b/docker-compose.yml
index a944079..0939263 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,6 +19,8 @@ services:
       - ENABLE_CLAMAV=1
       - ENABLE_FAIL2BAN=1
       - POSTFIX_INET_PROTOCOLS=ipv4
+    cap_add:
+      - NET_ADMIN # For Fail2Ban to work
     volumes:
       - mail-data:/var/mail
       - mail-state:/var/mail-state