diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..6e6d57f
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,26 @@
+# Changelog
+
+Versioning comes in the form of a double tag, where the first version is the
+[Archi][] version, and the second version is the version of the container
+itself. For example `4.9.1-1.0.1`
+
+## [Unreleased]
+
+## [4.9.1-1.0.1] - 2021-12-20
+
+### Added <!-- markdownlint-disable no-duplicate-header -->
+
+* Added improved support for GitLab CI
+
+## [4.9.1-1.0] - 2021-12-15
+
+### Added <!-- markdownlint-disable no-duplicate-header -->
+
+* Release of the first finished and working version 🥳
+
+<!-- Links -->
+[Archi]: https://github.com/archimatetool/archi "Archi: ArchiMate Modelling Tool"
+<!-- Version compare links -->
+[Unreleased]: https://github.com/WoozyMasta/archimate-ci-image/compare/4.9.1-1.0.1...HEAD
+[4.9.1-1.0.1]: https://github.com/WoozyMasta/archimate-ci-image/compare/4.9.1-1.0...4.9.1-1.0.1
+[4.9.1-1.0]: https://github.com/WoozyMasta/archimate-ci-image/tree/4.9.1-1.0
diff --git a/README.md b/README.md
index 2bc9a2f..b086fc5 100644
--- a/README.md
+++ b/README.md
@@ -43,9 +43,9 @@ for cloning.
 
 You can pull image from registries:
 
-* `ghcr.io/woozymasta/archimate-ci:4.9.1-1.0`
-* `quay.io/woozymasta/archimate-ci:4.9.1-1.0`
-* `docker.io/woozymasta/archimate-ci:4.9.1-1.0`
+* `ghcr.io/woozymasta/archimate-ci:4.9.1-1.0.1`
+* `quay.io/woozymasta/archimate-ci:4.9.1-1.0.1`
+* `docker.io/woozymasta/archimate-ci:4.9.1-1.0.1`
 
 ## Run Container
 
@@ -62,7 +62,7 @@ docker run --rm -ti \
   -e ARCHI_JASPER_REPORT_ENABLED=false \
   -e ARCHI_CSV_REPORT_ENABLED=true \
   -e ARCHI_EXPORT_MODEL_ENABLED=true \
-  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0
+  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0.1
 ```
 
 An example with handling a local repository:
@@ -75,13 +75,13 @@ chmod o+rw ./report
 docker run --rm -ti \
   -v $(pwd):/archi/project \
   -v $(pwd)/report:/archi/report \
-  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0
+  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0.1
 ```
 
 Working with the CLI directly:
 
 ```bash
-docker run --rm -ti ghcr.io/woozymasta/archimate-ci:4.9.1-1.0 --help
+docker run --rm -ti ghcr.io/woozymasta/archimate-ci:4.9.1-1.0.1 --help
 ```
 
 ## Configuration
@@ -163,7 +163,7 @@ jobs:
 
       - name: Deploy Archi report
         id: archi
-        uses: WoozyMasta/archimate-ci-image@4.9.1-1.0
+        uses: WoozyMasta/archimate-ci-image@4.9.1-1.0.1
         with:
           archiHtmlReportEnabled: true
           archiJasperReportEnabled: true
@@ -187,7 +187,7 @@ Add a configuration like this to your `./.gitlab-ci.yml` file:
 pages:
   stage: build
   image:
-    name: woozymasta/archimate-ci-image:4.9.1-1.0
+    name: woozymasta/archimate-ci-image:4.9.1-1.0.1
     entrypoint: [""]
 
   script:
@@ -219,8 +219,8 @@ and all report paths are automatically set to `$CI_PROJECT_DIR/public`
 
 ```bash
 docker build \
-  --tag archimate-ci:4.9.1-1.0 \
-  --build-arg="ARCHI_VERSION=4.9.1-1.0" \
+  --tag archimate-ci:4.9.1-1.0.1 \
+  --build-arg="ARCHI_VERSION=4.9.1-1.0.1" \
   --build-arg="COARCHI_VERSION=0.8.1.202112061132" \
   ./
 ```
@@ -243,7 +243,7 @@ podman run --rm -ti \
   -v $(pwd)/report:/archi/report \
   -e GIT_REPOSITORY=https://github.com/WoozyMasta/archimate-ci-image-example.git \
   -e ARCHI_JASPER_REPORT_ENABLED=false \
-  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0
+  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0.1
 ```
 
 ---
@@ -258,13 +258,13 @@ docker run --rm -ti \
   -e GIT_REPOSITORY=https://github.com/WoozyMasta/archimate-ci-image-example.git
   --network=host
   --add-host="$(getent hosts gitlab.internal.tld | awk '{print $2 ":" $1}')"
-  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0
+  ghcr.io/woozymasta/archimate-ci:4.9.1-1.0.1
 ```
 
 <!-- links -->
 
 [Archi]: https://www.archimatetool.com "The Open Source modelling toolkit for creating ArchiMate models and sketches."
-[Archi repository]: https://github.com/archimatetool/archi "Archi: ArchiMate Modelling Tool "
+[Archi repository]: https://github.com/archimatetool/archi "Archi: ArchiMate Modelling Tool"
 [coArchi]: https://github.com/archimatetool/archi-modelrepository-plugin "coArchi – Model Collaboration for Archi"
 
 [example-gh]: https://github.com/WoozyMasta/archimate-ci-image-example.git
diff --git a/action.yml b/action.yml
index 094083e..22c9e5b 100644
--- a/action.yml
+++ b/action.yml
@@ -6,7 +6,7 @@ branding:
   color: blue
 runs:
   using: docker
-  image: docker://ghcr.io/woozymasta/archimate-ci-image:4.9.1-1.0
+  image: docker://ghcr.io/woozymasta/archimate-ci-image:4.9.1-1.0.1
   env:
     GITHUB_TOKEN: ${{ inputs.githubToken }}
     ARCHI_HTML_REPORT_ENABLED: ${{ inputs.archiHtmlReportEnabled }}