diff --git a/.github/workflows/esp32_build.yml b/.github/workflows/esp32_build.yml
index c1f39e4..dceb9b1 100644
--- a/.github/workflows/esp32_build.yml
+++ b/.github/workflows/esp32_build.yml
@@ -7,6 +7,10 @@ on:
   schedule:
     - cron: "0 5 * * 3"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     strategy: