diff --git a/Dockerfile b/Dockerfile
index 057c8a2..9452a8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:3.7
+FROM lsiobase/alpine:3.8
 
 # set version label
 ARG BUILD_DATE
diff --git a/README.md b/README.md
index a2b687f..4b6fa5b 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,7 @@ If you'd like the output in a file, set the optional parameter LOG_FILE to true
 
 ## Versions
 
++ **22.08.18:** Rebase to alpine 3.8.
 + **08.12.17:** Rebase to alpine 3.7.
 + **28.05.17:** Rebase to alpine 3.6.
 + **09.02.17:** Rebase to alpine 3.5.