diff --git a/Dockerfile b/Dockerfile
index be63e3b..caa6880 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/mono:xenial
+FROM lsiobase/mono:bionic
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 4573d83..8ff5f15 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM lsiobase/mono:arm64v8-xenial
+FROM lsiobase/mono:arm64v8-bionic
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 83893ba..a99f71f 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM lsiobase/mono:arm32v7-xenial
+FROM lsiobase/mono:arm32v7-bionic
 
 # set version label
 ARG BUILD_DATE
diff --git a/README.md b/README.md
index 09852cc..1d6c1b6 100644
--- a/README.md
+++ b/README.md
@@ -192,6 +192,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **10.05.19:** - Rebase to Bionic.
 * **23.03.19:** - Switching to new Base images, shift to arm32v7 tag.
 * **09.09.18:** - Add pipeline build process.
 * **24.02.18:** - Add nightly branch.
diff --git a/readme-vars.yml b/readme-vars.yml
index ab73eef..0bed493 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -43,6 +43,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "10.05.19:", desc: "Rebase to Bionic." }
   - { date: "23.03.19:", desc: "Switching to new Base images, shift to arm32v7 tag." }
   - { date: "09.09.18:", desc: "Add pipeline build process." }
   - { date: "24.02.18:", desc: "Add nightly branch." }