diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e20e85dfae..a6b13c4a4e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,9 @@
 name: ci
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   workflow_dispatch:
   push:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 5cf163d124..06d0465fe1 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -1,5 +1,9 @@
 name: windows
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   workflow_dispatch:
   push: