diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6980f20cd..8e000acbec 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,6 +11,10 @@ on:
   workflow_call:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 env:
   PKG_NAME: "boundary"