diff --git a/certbot/Dockerfile b/certbot/Dockerfile
index 71fad56..364888a 100644
--- a/certbot/Dockerfile
+++ b/certbot/Dockerfile
@@ -1,4 +1,4 @@
-FROM certbot/certbot:v1.3.0 
+FROM certbot/certbot:v1.12.0 
 
 ARG USER_UUID=12000
 ARG USER_GUID=12000
diff --git a/proxy/Dockerfile b/proxy/Dockerfile
index 9ebc48b..9cdf1bd 100644
--- a/proxy/Dockerfile
+++ b/proxy/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.17.9-alpine
+FROM nginx:1.18-alpine
 
 ARG USER_UUID=12000
 ARG USER_GUID=12000
diff --git a/web/Dockerfile b/web/Dockerfile
index a8e5eea..8d27286 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.17.9-alpine
+FROM nginx:1.18-alpine
 
 ARG USER_UUID=12000
 ARG USER_GUID=12000