diff --git a/README.md b/README.md
index b279a47..7a762ec 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,17 @@ Forward the following ports to the server.
 | terraria  | 7777               |
 | wireguard | 51820              |
 
+Make sure IPv6 is enabled in Docker by modifying `/etc/docker/daemon.json`. For example:
+
+```
+{
+    "ipv6": true,
+    "fixed-cidr-v6": "2001:db8:1::/64",
+    "experimental": true,
+    "ip6tables": true
+}
+```
+
 Run the following commands. For the IP update script, add a SendGrid API key to `website/sendgrid.key`.
 
 ```
diff --git a/compose.yml b/compose.yml
index eea2e38..bea9c8a 100644
--- a/compose.yml
+++ b/compose.yml
@@ -1,3 +1,9 @@
+networks:
+  default6:
+    enable_ipv6: true
+    ipam:
+      config:
+        - subnet: fd3a:138e:8fd0:0001::/64
 services:
   website:
     restart: always
@@ -6,6 +12,8 @@ services:
     ports:
       - "80:80"
       - "443:443"
+    networks:
+      - default6
     volumes:
       - ./website/letsencrypt:/etc/letsencrypt
   gitea:
@@ -13,6 +21,8 @@ services:
     image: gitea/gitea:latest-rootless
     ports:
       - "2222:2222"
+    networks:
+      - default6
     volumes:
       - ./website/gitea/data:/var/lib/gitea
       - ./website/gitea/config:/etc/gitea
@@ -26,6 +36,8 @@ services:
     tty: true
     ports:
       - "18080:18080"
+    networks:
+      - default6
     volumes:
       - ./monerod/.bitmonero:/home/matt/.bitmonero
   p2pool:
@@ -38,6 +50,8 @@ services:
       - "3333:3333"
       - "37888:37888"
       - "37889:37889"
+    networks:
+      - default6
     volumes:
       - ./p2pool/cache:/home/matt/cache
       - /dev/hugepages:/dev/hugepages
@@ -47,6 +61,8 @@ services:
     entrypoint: ["/bin/sh", "/home/matt/entry.sh"]
     ports:
       - "25565:25565"
+    networks:
+      - default6
     volumes:
       - ./minecraft/world:/home/matt/world
   terraria:
@@ -55,5 +71,7 @@ services:
     entrypoint: ["/bin/sh", "/home/matt/entry.sh"]
     ports:
       - "7777:7777"
+    networks:
+      - default6
     volumes:
       - ./terraria/worlds:/home/matt/worlds
diff --git a/website/ip_update.py b/website/ip_update.py
index b56e1ed..488d389 100644
--- a/website/ip_update.py
+++ b/website/ip_update.py
@@ -12,8 +12,7 @@ if __name__ == '__main__':
     old_ipv4, old_ipv6 = None, None
     while True:
         ipv4 = urllib.request.urlopen('https://v4.ident.me').read().decode('utf8')
-        ipv6 = None
-        # ipv6 = urllib.request.urlopen('https://v6.ident.me').read().decode('utf8')
+        ipv6 = urllib.request.urlopen('https://v6.ident.me').read().decode('utf8')
 
         if ipv4 != old_ipv4 or ipv6 != old_ipv6:
             msg = Mail(