diff --git a/Dockerfile b/Dockerfile
index e042660d97cbcc1c8c8dec03fa9a7101ef77dc8c..fd5142d23ea8f052e33dc04b8654c484fcca8d65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.21.0-alpine
+FROM nginx:1.21.3-alpine
 # hadolint ignore=DL3018
 RUN rm -rf /etc/nginx/conf./* && \
     chmod 777 /run && \