diff --git a/scripts/verdaccio-publish/index.js b/scripts/verdaccio-publish/index.js
index d2b29b304e9f6..54a4d2c153a53 100644
--- a/scripts/verdaccio-publish/index.js
+++ b/scripts/verdaccio-publish/index.js
@@ -35,7 +35,7 @@ const args = [
   "--ignore-scripts",
   "--no-verify-access",
   "--concurrency",
-  "8",
+  "4",
   "--dist-tag",
   "ci",
 ];
diff --git a/tests/canary/canary.js b/tests/canary/canary.js
index ab10a3ea10302..05f446e1fd2b1 100644
--- a/tests/canary/canary.js
+++ b/tests/canary/canary.js
@@ -92,7 +92,7 @@ async function localPublishChangedPackages(root) {
     "--ignore-scripts",
     "--no-verify-access",
     "--concurrency",
-    "8",
+    "4",
     "--dist-tag",
     "ci",
   ];