diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index f5e6ed370f..956c54479d 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -2,6 +2,9 @@ name: Integration Tests
 
 on: [ merge_group, pull_request, push ]
 
+env:
+  NIX_BUILD_CORES: 2
+
 jobs:
   integration-test:
     # The integration tests run on macos because the referenceApp freezes on a nested vm on linux