diff --git a/.github/workflows/build-check.yml b/.github/workflows/build-check.yml
index 6a2bd51..b31f188 100644
--- a/.github/workflows/build-check.yml
+++ b/.github/workflows/build-check.yml
@@ -11,7 +11,7 @@ env:
   RUSTUP_MAX_RETRIES: 10
   RUST_BACKTRACE: 1
   RUSTC_WRAPPER: sccache
-  CARGO_BUILD_JOBS: ${{ runtime.numCPU }}
+  CARGO_BUILD_JOBS: 2
 
 jobs:
   build: