diff --git a/Dockerfile b/Dockerfile
index dfc9630..4263cde 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine.python:3.7
+FROM lsiobase/alpine.python:3.8
 
 # set version label
 ARG BUILD_DATE
diff --git a/README.md b/README.md
index e57ffce..50a7ffa 100755
--- a/README.md
+++ b/README.md
@@ -80,6 +80,7 @@ Access WebUI at `<your-ip>:8181` and walk through the wizard.
 
 ## Versions
 
++ **18.08.18:** Rebase to alpine 3.8.
 + **03.04.18:** Remove forced port and update README.
 + **05.01.18:** Deprecate cpu_core routine lack of scaling.
 + **12.12.17:** Rebase to alpine 3.7.