diff --git a/Dockerfile b/Dockerfile
index 772bf4d..9dddf49 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine.nginx:3.7
+FROM lsiobase/alpine.nginx:3.8
 
 # set version label
 ARG BUILD_DATE
diff --git a/README.md b/README.md
index 7ef1496..737844b 100644
--- a/README.md
+++ b/README.md
@@ -110,6 +110,7 @@ Unlike other implementations of COPS in a docker container,  the linuxserver ver
 
 ## Versions
 
++ **21.08.18:** Rebase to alpine 3.8.
 + **02.07.18:** Add php7-ctype dependency.
 + **08.01.18:** Rebase to alpine 3.7.
 + **25.05.17:** Rebase to alpine 3.6.