diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yaml
similarity index 100%
rename from .github/workflows/documentation.yml
rename to .github/workflows/documentation.yaml
diff --git a/.github/workflows/release-checksum.yml b/.github/workflows/release-checksum.yaml
similarity index 100%
rename from .github/workflows/release-checksum.yml
rename to .github/workflows/release-checksum.yaml
diff --git a/.github/workflows/sonarqube.yml b/.github/workflows/sonarqube.yaml
similarity index 100%
rename from .github/workflows/sonarqube.yml
rename to .github/workflows/sonarqube.yaml
diff --git a/.github/workflows/trigger_metplus.yml b/.github/workflows/trigger_metplus.yaml
similarity index 96%
rename from .github/workflows/trigger_metplus.yml
rename to .github/workflows/trigger_metplus.yaml
index bd70bc1a..7081b3f8 100644
--- a/.github/workflows/trigger_metplus.yml
+++ b/.github/workflows/trigger_metplus.yaml
@@ -27,7 +27,7 @@ jobs:
             await github.rest.actions.createWorkflowDispatch({
               owner: 'dtcenter',
               repo: 'METplus',
-              workflow_id: 'testing.yml',
+              workflow_id: 'testing.yaml',
               ref: 'develop',
               inputs: {
                 repository: '${{ github.repository }}',