diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f2220ee..8bdde89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,7 +50,7 @@ jobs:
 
   build:
     name: Test and Build on rust-${{ matrix.rust-version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       fail-fast: false
       matrix: