diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e299c7349..8b51542b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ permissions:
   contents: read
   id-token: write
 
-on: [pull_request, workflow_call]
+on: [pull_request]
 
 jobs:
   shared-ci:
diff --git a/.github/workflows/daily_ci.yml b/.github/workflows/daily_ci.yml
index 9eb7d08f7..8468c2673 100644
--- a/.github/workflows/daily_ci.yml
+++ b/.github/workflows/daily_ci.yml
@@ -18,9 +18,9 @@ jobs:
     strategy:
       matrix:
         branch: [master, v4.x]
-    uses: ./.github/workflows/ci.yml
+    uses: ./.github/workflows/shared-ci.yml
     with:
-      branch: ${{ matrix.branch }}
+      ref: ${{ matrix.branch }}
   notify:
     needs:
       [
diff --git a/.github/workflows/shared-ci.yml b/.github/workflows/shared-ci.yml
index 88233a595..aa43e1825 100644
--- a/.github/workflows/shared-ci.yml
+++ b/.github/workflows/shared-ci.yml
@@ -8,6 +8,11 @@ on:
         required: false
         type: boolean
         default: false
+      ref:
+        description: 'Git ref (branch, tag, or SHA) to check out and test. Defaults to the ref that triggered the workflow.'
+        required: false
+        type: string
+        default: ''
 
 env:
   NODE_OPTIONS: "--max-old-space-size=4096"
@@ -34,6 +39,7 @@ jobs:
         # Always need repo for test scripts and configuration, even when testing published packages
         uses: actions/checkout@v4
         with:
+          ref: ${{ inputs.ref }}
           fetch-depth: 0
           submodules: true