diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3d489b6..d95229c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,6 +34,10 @@ jobs:
         python -m pip install idf-component-manager
         idf.py reconfigure
 
+    - name: Install esptool
+      run: |
+        python -m pip install esptool
+
     - name: Build
       id: build
       run: |