diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 5b7a0ab6..6ecd91bb 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -37,7 +37,7 @@ jobs:
       - uses: actions/cache@v4
         with:
           path: Library
-          key: Library-${{ matrix.unityVersion }}-${{ hashFiles('Assets/**', 'Packages/**', 'ProjectSettings/**') }}-${{ github.run_id }}
+          key: Library-${{ matrix.unityVersion }}-${{ hashFiles('Assets/**', 'Packages/**', 'ProjectSettings/**') }}-${{ matrix.targetPlatform }}
           restore-keys: |
             Library-${{ matrix.unityVersion }}-${{ hashFiles('Assets/**', 'Packages/**', 'ProjectSettings/**') }}
             Library-