diff --git a/docker-compose.yml b/docker-compose.yml
index 0feec3f2..88891054 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -21,7 +21,7 @@ services:
       - redis
 
   postgres:
-    image: postgres:12.3
+    image: postgres:12.4
     environment:
       - POSTGRES_PASSWORD=postgres
     volumes:
@@ -43,7 +43,7 @@ services:
           hard: 65536
 
   redis:
-    image: redis:5.0.9
+    image: redis:6.0.7
     logging:
       driver: "none"
 
diff --git a/docker/app/Dockerfile b/docker/app/Dockerfile
index 27353b9f..c8ccb816 100644
--- a/docker/app/Dockerfile
+++ b/docker/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.10.3
+FROM elixir:1.10.4
 
 RUN apt-get update \
     && apt-get -qq -y install apt-transport-https \
diff --git a/docker/web/Dockerfile b/docker/web/Dockerfile
index 15f04219..ef0b21c9 100644
--- a/docker/web/Dockerfile
+++ b/docker/web/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.17.10
+FROM nginx:1.18.0
 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