diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 258676f..1f8db3a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,9 @@ on:
   # and was merged untested. Every PR gets the full suite; push stays main-only so
   # feature branches do not double-run.
   pull_request:
+    branches: [main]
+  merge_group:
+    types: [checks_requested]
   push:
     branches: [main]
 
diff --git a/.github/workflows/semantic-pr-title.yml b/.github/workflows/semantic-pr-title.yml
index d87f773..e528864 100644
--- a/.github/workflows/semantic-pr-title.yml
+++ b/.github/workflows/semantic-pr-title.yml
@@ -3,12 +3,15 @@ name: Semantic PR Title
 on:
   pull_request:
     types: [opened, edited, synchronize, reopened]
+  merge_group:
+    types: [checks_requested]
 
 permissions:
   pull-requests: read
 
 jobs:
   semantic-pr-title:
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
       - uses: amannn/action-semantic-pull-request@v6
@@ -27,3 +30,10 @@ jobs:
             perf
             revert
           requireScope: false
+
+  semantic-pr-title-merge-group:
+    if: github.event_name == 'merge_group'
+    name: semantic-pr-title
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo 'PR title was validated before this merge-group run.'