diff --git a/Dockerfile.nginx b/Dockerfile.nginx
index 4a78d20183d..6256478ebc2 100644
--- a/Dockerfile.nginx
+++ b/Dockerfile.nginx
@@ -55,7 +55,7 @@ RUN \
   python3 manage.py collectstatic --noinput && \
   true
 
-FROM nginx:1.17.2@sha256:eb3320e2f9ca409b7c0aa71aea3cf7ce7d018f03a372564dbdb023646958770b
+FROM nginx:1.21.3@sha256:853b221d3341add7aaadf5f81dd088ea943ab9c918766e295321294b035f3f3e
 COPY --from=collectstatic /app/static/ /usr/share/nginx/html/static/
 COPY wsgi_params nginx/nginx.conf /etc/nginx/
 COPY docker/entrypoint-nginx.sh nginx/*.cer nginx/*.key /