diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2ff263255..54f3711a4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -4,6 +4,7 @@ on: [push, pull_request]
 
 env:
   CTEST_PARALLEL_LEVEL: "1"
+  CMAKE_BUILD_PARALLEL_LEVEL: "4"
 
 jobs:
   ubuntu: