diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index b08708c..8d98ba9 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -28,7 +28,11 @@ jobs:
             tools/
             zephyr/
             bootloader/
-          key: ${{ hashFiles('app/west.yml') }}
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('app/west.yml') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
         timeout-minutes: 2
         continue-on-error: true