diff --git a/docker-compose.forgejo.yml b/docker-compose.forgejo.yml
index 8843934..61f84a7 100644
--- a/docker-compose.forgejo.yml
+++ b/docker-compose.forgejo.yml
@@ -34,6 +34,7 @@ services:
       - sh
       - -c
       - |
+        apt-get update && apt-get install -y docker.io
         if [ ! -f /data/.runner ]; then
           forgejo-runner register --no-interactive \
             --instance http://forgejo:3000 \