diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index d58372b0de..171620f059 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -1,4 +1,4 @@
-on: [push, pull_request]
+on: [workflow_dispatch]
 
 name: Conformance Suite