diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index de67a6f7..fb8cc232 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,6 +5,7 @@ on:
     branches: [ master ]
   pull_request:
     branches: [ master ]
+  workflow_dispatch:
 
 # save workspaces to speed up testing
 env: