diff --git a/Dockerfile b/Dockerfile
index b622997..ab1dc7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:latest
 RUN apk update && \
     apk add bash && \
     apk add icinga2 && \
diff --git a/README.md b/README.md
index f26517e..07e397f 100644
--- a/README.md
+++ b/README.md
@@ -56,5 +56,8 @@ services:
 ## Images
 There are two available images for you to choose from. The default one (0.*n*) is based on
 Debian 10, with Icinga2 from Icingas official repository. The other image (0.*n*-alpine) is
-based on Alpine 3.11, with Icinga2 from Alpines repository. The Alpine image is much smaller
-in size.
+based on Alpine latest, with Icinga2 from Alpines repository. The Alpine image is much
+smaller in size.
+
+> **Note:** Version 0.1-alpine uses Alpine 3.11. Version 0.1.1-alpine and up uses Alpine
+> latest.