diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index c4fb57a..d7b4820 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -1,47 +1,24 @@
-name: Test
+name: Main
 on:
   push:
     branches:
       - "main"
       - "v*"
-  pull_request:
-    paths-ignore:
-      - "release-index.yaml"
-      - "replica-releases/**"
-      - "node-labels/**"
+  pull_request: {}
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
-  bazel:
-    runs-on:
-      labels: dre-runner-custom
+  ci:
+    runs-on: ubuntu-latest
     # This image is based on ubuntu:20.04
-    container: ghcr.io/dfinity/dre/actions-runner:0.2.1
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 2
 
       ########################################
-      # Set up up runner
-      ########################################
-      - name: "Set up runner"
-        uses: ./.github/workflows/manage-runner-pre
-
-      ########################################
-      # Build and test
+      # Test
       ########################################
       - name: "Test"
         uses: ./.github/workflows/test
-
-      ########################################
-      # Clean up runner
-      ########################################
-      - uses: ./.github/workflows/manage-runner-post
-        name: "Tear down runner"
-        if: ${{ !startsWith(runner.name, 'dre-runner-custom') }}
-        with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test/action.yaml b/.github/workflows/test/action.yaml
index e9758ca..f28ac1e 100644
--- a/.github/workflows/test/action.yaml
+++ b/.github/workflows/test/action.yaml
@@ -10,7 +10,7 @@ runs:
         make ruff
       shell: bash
 
-    - name: "Mypy"
+    - name: "MyPy"
       id: mypy
       run: |
         make mypy
diff --git a/bin/airflow b/bin/airflow
index 539cba4..c368824 100755
--- a/bin/airflow
+++ b/bin/airflow
@@ -20,7 +20,8 @@ then
     pushd "$AIRFLOW_HOME"
     ln -sfT ../dags dags
     ln -sfT ../plugins plugins
-    sed -i 's/allowed_deserialization_classes.*/allowed_deserialization_classes = (airflow|dfinity)[.].*/' airflow.cfg
+    sed -i 's/allowed_deserialization_classes_regex.*/allowed_deserialization_classes_regex = (airflow|dfinity)[.].*/' airflow.cfg
+    sed -i 's/^allowed_deserialization_classes /# allowed_deserialization_classes.../' airflow.cfg
     sed -i 's/reload_on_plugin_change.*/reload_on_plugin_change = True/' airflow.cfg
     sed -i 's/load_examples.*/load_examples = False/' airflow.cfg
     popd