diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b49e93b1..3c901750 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,11 +18,9 @@ jobs:
         uses: ./.
         with:
           linux-gc-enabled: true
-          # more than necessary
-          linux-max-store-size: 8000000000
+          linux-max-store-size: 1500000000
           macos-gc-enabled: true
-          # less than necessary
-          macos-max-store-size: 8000000
+          macos-max-store-size: 1500000000
           key: cache-${{ matrix.os }}-${{ hashFiles('.github/workflows/ci.yaml') }}
           restore-keys: |
             cache-${{ matrix.os }}