diff --git a/.github/actions/github-script/fetch_keptn_versions.sh b/.github/actions/github-script/fetch_keptn_versions.sh
new file mode 100755
index 00000000..87bce83f
--- /dev/null
+++ b/.github/actions/github-script/fetch_keptn_versions.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Fetch latest release and prerelease
+prerelease=$(curl -s https://api.github.com/repos/keptn/keptn/releases | jq -r 'map(select(.prerelease)) | sort_by(.tag_name)[-1].tag_name')
+release=$(curl --silent "https://api.github.com/repos/keptn/keptn/releases/latest" | jq -r '.tag_name')
+
+# Write variables as output
+echo "::set-output name=LATEST_RELEASE::$release"
+echo "::set-output name=LATEST_PRERELEASE::$prerelease"
\ No newline at end of file
diff --git a/.github/workflows/integration-tests.yaml b/.github/workflows/integration-tests.yaml
index 8b7db795..c4b7c794 100644
--- a/.github/workflows/integration-tests.yaml
+++ b/.github/workflows/integration-tests.yaml
@@ -11,13 +11,28 @@ defaults:
     shell: bash
 
 jobs:
+  fetch_latest_keptn_versions:
+    name: Fetch latest Keptn version for integration test run
+    runs-on: ubuntu-20.04
+    outputs:
+      LATEST_KEPTN_RELEASE: ${{ steps.prepare_keptn_version_matrix.outputs.LATEST_RELEASE }}
+      LATEST_KEPTN_PRERELEASE: ${{ steps.prepare_keptn_version_matrix.outputs.LATEST_PRERELEASE }}
+    steps:
+      - name: Check out code.
+        uses: actions/checkout@v3.0.2
+
+      - name: Prepare Keptn version matrix
+        id: prepare_keptn_version_matrix
+        run: |
+          ./.github/actions/github-script/fetch_keptn_versions.sh
   integration_test:
     name: "Integration Tests"
+    needs: fetch_latest_keptn_versions
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
-        keptn-version: ["0.13.5", "0.14.2", "0.15.1", "0.16.0"] # https://github.com/keptn/keptn/releases
+        keptn-version: ["0.13.5", "0.14.2", "0.15.1", "0.16.0", "${{ needs.fetch_latest_keptn_versions.outputs.LATEST_KEPTN_RELEASE }}", "${{ needs.fetch_latest_keptn_versions.outputs.LATEST_KEPTN_PRERELEASE }}"] # https://github.com/keptn/keptn/releases
         network-policy: [true, false]
         job-network-policy: [true, false]
     env:
@@ -116,9 +131,27 @@ jobs:
             --set gitea.admin.password=${GITEA_ADMIN_PASSWORD} \
             --wait
 
+      - name: Check Helm repo for image
+        id: helm_repo_check
+        shell: bash
+        env:
+          KEPTN_VERSION: ${{ matrix.keptn-version }}
+        run: |
+          echo "Keptn Version: $KEPTN_VERSION"
+          helm repo add keptn https://charts.keptn.sh
+          helm_search=$(helm search repo keptn/keptn --version $KEPTN_VERSION -o json | jq '. | length')
+          
+          if [[ "$helm_search" != "0" ]]; then
+          echo "Using standard Helm repo"
+          echo "::set-output name=HELM_REPO::https://charts.keptn.sh"
+          else
+          echo "Using dev Helm repo"
+          echo "::set-output name=HELM_REPO::https://charts-dev.keptn.sh"
+          fi
+
       - name: Install Keptn
         id: install_keptn
-        uses: keptn-sandbox/action-install-keptn@v2.0.0
+        uses: keptn-sandbox/action-install-keptn@v3.0.0
         timeout-minutes: 5
         with:
           KEPTN_VERSION: ${{ matrix.keptn-version }}
@@ -129,6 +162,7 @@ jobs:
               features:
                 automaticProvisioningURL: http://keptn-gitea-provisioner-service.default
           KUBECONFIG: ${{ env.KUBECONFIG }}
+          KEPTN_HELM_CHART_REPO: ${{ steps.helm_repo_check.outputs.HELM_REPO }}
 
       - name: Test connection to keptn
         run: |
@@ -255,14 +289,14 @@ jobs:
 
             fileList.forEach(fileName => {
               console.log(`Reading file: ${fileName}`);
-              
+            
               const platformReportFile = fs.readFileSync(TEST_REPORTS_PATH + fileName, {encoding:'utf8', flag:'r'});
-              
+            
               const keptnVersion = keptnVersionRegex.exec(fileName)[1];
               const testResults = ndJsonParser(platformReportFile);
-              
+            
               keptnVersionCount++;
-              
+            
               testResults.forEach(testResult => {
 
                 if (testResult.Test !== undefined && (testResult.Action === "pass" || testResult.Action === "fail" || testResult.Action ===  "skip")) {
@@ -339,7 +373,7 @@ jobs:
           fi
 
           INTEGRATION_FILE_LINK=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/blob/$BRANCH/.github/workflows/integration_tests.yaml
-            
+          
           # Create issue for the failed integration test:  
           cat <<EOT >> integration-tests-failed.md
           ---