diff --git a/Dockerfile b/Dockerfile
index 302c143..04f0b30 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 1bf3907..c677316 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 c9fb74e..02f8182 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 e76aa73..c25cc02 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,16 @@ The architectures supported by this image are:
 | arm64 | arm64v8-latest |
 | armhf | arm32v7-latest |
 
+## Version Tags
+
+This image provides various versions that are available via tags. `latest` tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.
+
+| Tag | Description |
+| :----: | --- |
+| latest | Stable releases from Sonarr (currently v2) |
+| develop | Development releases from Sonarr (currently v2) |
+| preview | Preview releases from Sonarr (currently v3) |
+| 5.14 | Stable Sonarr releases, but run on Mono 5.14 |
 
 ## Usage
 
@@ -62,16 +72,6 @@ docker create \
   linuxserver/sonarr
 ```
 
-### Version Tags
-
-This image provides various versions that are available via tags. `latest` tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.
-
-| Tag | Description |
-| :----: | --- |
-| latest | stable builds from the master branch of sonarr (currently v2) |
-| develop | development builds from the develop branch of sonarr (currently v2) |
-| preview | preview builds from the phantom-develop branch of sonarr (currently v3) |
-
 
 ### docker-compose
 
@@ -193,6 +193,7 @@ 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.
 * **01.02.19:** - Multi arch images and pipeline build logic
 * **15.12.17:** - Fix continuation lines.
diff --git a/readme-vars.yml b/readme-vars.yml
index ccf3fad..8f33c44 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -14,20 +14,13 @@ available_architectures:
   - { arch: "{{ arch_arm64 }}", tag: "arm64v8-latest"}
   - { arch: "{{ arch_armhf }}", tag: "arm32v7-latest"}
 
-# Optional Block
-optional_block_1: true
-optional_block_1_items:
-  - |
-    ### Version Tags
-    
-    This image provides various versions that are available via tags. `latest` tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.
-    
-    | Tag | Description |
-    | :----: | --- |
-    | latest | stable builds from the master branch of sonarr (currently v2) |
-    | develop | development builds from the develop branch of sonarr (currently v2) |
-    | preview | preview builds from the phantom-develop branch of sonarr (currently v3) |
-    
+# development version
+development_versions: true
+development_versions_items:
+  - { tag: "latest", desc: "Stable releases from Sonarr (currently v2)" }
+  - { tag: "develop", desc: "Development releases from Sonarr (currently v2)" }
+  - { tag: "preview", desc: "Preview releases from Sonarr (currently v3)" }
+  - { tag: "5.14", desc: "Stable Sonarr releases, but run on Mono 5.14" }
 
 # container parameters
 param_container_name: "{{ project_name }}"
@@ -51,6 +44,7 @@ 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: "01.02.19:", desc: "Multi arch images and pipeline build logic" }
   - { date: "15.12.17:", desc: "Fix continuation lines." }