diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee2f56c..11c4f6a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,12 @@ on:
     branches: [main]
   pull_request:
     branches: [main]
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: "Branch or ref to run CI against"
+        required: false
+        default: "main"
 
 jobs:
   lint-typecheck: