diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 534999b0..0dd6bb75 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Build
         working-directory: ${{env.BENCH_ROOT}}/build-bench
-        run: cmake --build . --parallel 4
+        run: cmake --build . --parallel ${nproc}
 
       - name: Benchmark
         working-directory: ${{env.BENCH_ROOT}}/build-bench
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3a595469..779d8a59 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,7 +40,7 @@ jobs:
           
       - name: Build
         working-directory: ${{env.TEST_ROOT}}/build-test
-        run: cmake --build . --parallel 4
+        run: cmake --build . --parallel ${nproc}
 
       - name: Test
         working-directory: ${{env.TEST_ROOT}}/build-test