diff --git a/Dockerfile b/Dockerfile
index 8a4e8d6..17a2273 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openresty/openresty:1.21.4.1-buster@sha256:9be444a283344aec2d499682c7ab9d342d06245632c8e71a0c1c37d19d11b436
+FROM openresty/openresty:1.21.4.1-buster@sha256:281731a223e1c11b99c8eef0169e78878076674e0586bfb6634571b9cff3e253
 
 COPY nginx.conf.template /
 COPY entrypoint.sh /