diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 374ea89aa..7e3344d5f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,7 +3,7 @@ name: make test
 on: [push, pull_request]
 
 env:
-  CTEST_PARALLEL_LEVEL: "1"
+  CTEST_PARALLEL_LEVEL: "4"
   CMAKE_BUILD_PARALLEL_LEVEL: "4"
 
 permissions: