diff --git a/.github/workflows/run-layerlens b/.github/workflows/run-layerlens
index 4dc9c6e8..b5396ebc 100644
--- a/.github/workflows/run-layerlens
+++ b/.github/workflows/run-layerlens
@@ -1,6 +1,9 @@
 name: Run layerlens.
 
 on:
+  workflow_dispatch:
+    branches:
+      - master
   push:
     branches:
       - master