diff --git a/assets/docker/authp/Dockerfile b/assets/docker/authp/Dockerfile
index 873ede70..91b311e2 100644
--- a/assets/docker/authp/Dockerfile
+++ b/assets/docker/authp/Dockerfile
@@ -12,6 +12,6 @@ RUN xcaddy build \
     --with github.com/greenpau/caddy-trace \
     --with github.com/caddy-dns/cloudflare
 
-FROM caddy:latest
+FROM caddy:2.7.5
 
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy