diff --git a/.github/workflows/continuous-delivery.yml b/.github/workflows/continuous-delivery.yml
index fca3739..102c8d1 100644
--- a/.github/workflows/continuous-delivery.yml
+++ b/.github/workflows/continuous-delivery.yml
@@ -6,14 +6,13 @@ on:
 
 jobs:
   ci:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
         # We need the full history for the commitlint task
         with:
           fetch-depth: 0
-          ref: ${{ github.event.pull_request.head.sha }}
       - name: Install Task
         uses: arduino/setup-task@v2
       - name: Install Dagger
diff --git a/Taskfile.yml b/Taskfile.yml
index 32a9841..79c6290 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -54,8 +54,11 @@ tasks:
     env:
       # renovate: datasource=git-refs depName=commitlint lookupName=https://github.com/cloudnative-pg/daggerverse currentValue=main
       DAGGER_COMMITLINT_SHA: f09d41cb90701db446048a9f20eb03495e50f727
+      FROM: '{{ .GITHUB_BASE_REF | default "main" }}'
+      TO: '{{ .GITHUB_HEAD_REF | default "HEAD" }}'
     cmds:
-      - dagger -s call -m github.com/cloudnative-pg/daggerverse/commitlint@${DAGGER_COMMITLINT_SHA} lint --source . --args "--from=origin/main" stdout
+      - git log "origin/${FROM}".."${TO}"
+      - dagger -s call -m github.com/cloudnative-pg/daggerverse/commitlint@${DAGGER_COMMITLINT_SHA} lint --source . --args "--from=origin/${FROM}" --args "--to=${TO}" stdout
 
   uncommitted:
     desc: Check for uncommitted changes
@@ -72,9 +75,9 @@ tasks:
 
   ci:
     desc: Run the CI pipeline
-    deps:
-      - commitlint
-      - uncommitted
+    cmds:
+      - task: commitlint
+      - task: uncommitted
 
   clean:
     desc: Remove autogenerated artifacts