diff --git a/Dockerfile b/Dockerfile
index 0a40a46..8a4e8d6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openresty/openresty:1.21.4.1-buster@sha256:77da817d32ac51573d209214d55a1711e0012f2f41785ac0bdb7b25b756281e0
+FROM openresty/openresty:1.21.4.1-buster@sha256:9be444a283344aec2d499682c7ab9d342d06245632c8e71a0c1c37d19d11b436
 
 COPY nginx.conf.template /
 COPY entrypoint.sh /