diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8d080e..0e6ae36 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [v3.9.4] - 2024-09-19
+### Changed
+- plone-package-test-notify
+  - More info on mattermost notification message
+  - Optional CACHE_KEY input
+
 ## [v3.9.3] - 2024-08-13
 ### Fixed
 - helm-release-notify
diff --git a/README.md b/README.md
index 62506a7..2973ab6 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ This github action uses the [code-analysis-action](https://github.com/plone/code
 
 #### Example of usage
 
-/
+[IMIO/imio.smartweb.core](https://github.com/IMIO/imio.smartweb.core/blob/fdb331eb004eed0744f419264f063a336b40d069/.github/workflows/plone-package-test-gha.yml#L16)
 
 ---
 ### deb-build-push-notify
@@ -192,6 +192,7 @@ Test a Plone package and optionally notify via a mattermost webhook
 
 | name                   | required | type   | default            | description |
 | ---------------------- | -------- | ------ | ------------------ | ----------- |
+| CACHE_KEY              |    no    | string |                    | key to use in actions/cache |
 | PYTHON_VERSION         |    yes   | string | "3.10"             | Python version to use |
 | TEST_COMMAND           |    yes   | string | "bin/test"         | Test command to run |
 | REQUIREMENTS_FILE      |    yes   | string | "requirements.txt" | Requirements file |
@@ -200,7 +201,7 @@ Test a Plone package and optionally notify via a mattermost webhook
 
 #### Example of usage
 
-/
+[IMIO/imio.smartweb.core](https://github.com/IMIO/imio.smartweb.core/blob/fdb331eb004eed0744f419264f063a336b40d069/.github/workflows/plone-package-test-gha.yml#L33)
 
 ---
 ### plone-theme-build-push-notify
diff --git a/plone-package-test-notify/action.yml b/plone-package-test-notify/action.yml
index 8553aa6..0986324 100644
--- a/plone-package-test-notify/action.yml
+++ b/plone-package-test-notify/action.yml
@@ -1,6 +1,9 @@
 name: Run code analysis
 description: Run code analysis and notify on Mattermost
 inputs:
+  CACHE_KEY:
+    description: 'Cache key'
+    required: false
   PYTHON_VERSION:
     description: 'Python version to use'
     required: true
@@ -29,13 +32,13 @@ runs:
     - name: Checkout
       uses: actions/checkout@v4
     - name: Cache eggs
+      if: ${{ inputs.CACHE_KEY != '' }}
       uses: actions/cache@v4
       env:
         cache-name: cache-eggs
       with:
         path: ./eggs
-        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ matrix.python-version }}
-        restore-keys: ${{ runner.os }}-build-${{ env.cache-name }}-${{ matrix.python-version }}
+        key: ${{ inputs.CACHE_KEY }}
     - name: Setup Python ${{ inputs.PYTHON_VERSION }}
       uses: actions/setup-python@v5.1.1
       with:
@@ -56,7 +59,7 @@ runs:
       if: ${{ inputs.MATTERMOST_WEBHOOK_URL != '' }}
       run: |
         JOB_URL="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
-        MESSAGE="Test has run successfully. (Repository: ${{ github.repository }}, Branch: ${{ github.ref_name }}, Commit: ${{ github.sha }}) [Click here to see job on GitHub]($JOB_URL)"
+        MESSAGE="Test has run successfully. (Repository: ${{ github.repository }}, Branch: ${{ github.ref_name }}, Commit: ${{ github.sha }}, Test command: ${{ inputs.TEST_COMMAND }}, Python version: ${{ inputs.PYTHON_VERSION }}) [Click here to see job on GitHub]($JOB_URL)"
         curl -i -X POST -H 'Content-Type: application/json' -d "{\"text\": \"$MESSAGE\"}" ${{ inputs.MATTERMOST_WEBHOOK_URL }}
       shell: bash
     - name : Send failure notification on Mattermost
@@ -67,6 +70,6 @@ runs:
         NEW_IMAGE_TAGS: ${{ inputs.NEW_IMAGE_TAGS }}
       run: |
         JOB_URL="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
-        MESSAGE="Error : Test has failed. (Repository: ${{ github.repository }}, Branch: ${{ github.ref_name }}, Commit: ${{ github.sha }}) [Click here to see job on GitHub]($JOB_URL)"
+        MESSAGE="Error : Test has failed. (Repository: ${{ github.repository }}, Branch: ${{ github.ref_name }}, Commit: ${{ github.sha }}, Test command: ${{ inputs.TEST_COMMAND }}, Python version: ${{ inputs.PYTHON_VERSION }}) [Click here to see job on GitHub]($JOB_URL)"
         curl -i -X POST -H 'Content-Type: application/json' -d "{\"text\": \"$MESSAGE\"}" ${{ inputs.MATTERMOST_WEBHOOK_URL }}
       shell: bash
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