diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 6204f9955e5..e2d41fccbed 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -7,7 +7,7 @@ on:
     branches: [ main ]
 
 env:
-  EACHMODULE_CONCURRENCY: 4
+  EACHMODULE_CONCURRENCY: 2
 
 jobs:
   unix-tests: