diff --git a/Dockerfile b/Dockerfile
index fd5142d23ea8f052e33dc04b8654c484fcca8d65..fb078ebf6cad5b06cb9ad91156b33455bf8215b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.21.3-alpine
+FROM nginx:1.21.6-alpine
 # hadolint ignore=DL3018
 RUN rm -rf /etc/nginx/conf./* && \
     chmod 777 /run && \