diff --git a/docker-compose.yml b/docker-compose.yml
index 88572ba..5701496 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -36,7 +36,7 @@ services:
       - postgres_tmp:/var/run/postgresql
       - postgres_data_v14:/var/lib/postgresql/data
   dns.keiu.net:
-    image: coredns/coredns:1.8.5@sha256:43a9f52f5dce39bf1816afe6141724cc2d08811e466dd46e6628c925e2419bdc
+    image: coredns/coredns:1.8.6@sha256:5b6ec0d6de9baaf3e92d0f66cd96a25b9edbce8716f5f15dcd1a616b3abd590e
     restart: unless-stopped
     expose: ["443"]
     ports: ["853:853"]