diff --git a/docker-compose.yml b/docker-compose.yml
index 0be63390..b997d1c2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -66,7 +66,7 @@ services:
         hard: 65536
 
   redis:
-    image: redis:6.2.3-alpine
+    image: redis:6.2.4-alpine
     logging:
       driver: "none"
 
diff --git a/docker/web/Dockerfile b/docker/web/Dockerfile
index d2044c58..098159c9 100644
--- a/docker/web/Dockerfile
+++ b/docker/web/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.20.0-alpine
+FROM nginx:1.21.1-alpine
 ENV APP_DIR /srv/philomena
 COPY docker/web/nginx.conf /tmp/docker.nginx
 RUN envsubst '$APP_DIR' < /tmp/docker.nginx > /etc/nginx/conf.d/default.conf