diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5fd016b..4e3610f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,6 +5,10 @@ on:
     types:
       - labeled
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.OSX_CROSS_ARM_HOMEBREW_GITHUB_API_TOKEN }}
   PULL_REQUEST: ${{ github.event.pull_request.number }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 43ffd86..79d0063 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,6 +7,11 @@ on:
       - master
 
   pull_request:
+    types: [opened, synchronize, reopened]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   test-bot: