diff --git a/Dockerfile b/Dockerfile
index 9aa7aa8..81fb0fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.6.4-builder-alpine@sha256:e060082cea130402786226f500756244b4e7d695f00c6a07ca162bcb3a720eaf AS builder
+FROM caddy:2.6.4-builder-alpine@sha256:49bb5c36a686b3a393843ec55416492f51b43d9a54b986c381b7d8aa4c2c53b0 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.6.4-alpine@sha256:4dfec6c3b22c36b63ea4a3633c7cdbdaa9926d1324c27db2b0e2b70ef9cd105a
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy