diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 81cb2729..5fc8df18 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,11 +14,11 @@ jobs:
         env:
           cache-name: cache-zephyr-modules
         with:
-          path:
-            - modules/
-            - tools/
-            - zephyr/
-            - bootloader/
+          path: |
+            modules/
+            tools/
+            zephyr/
+            bootloader/
           key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('app/west.yml') }}
           restore-keys: |
             ${{ runner.os }}-build-${{ env.cache-name }}-