diff --git a/.circleci/config.yml b/.circleci/config.yml
index e903625688..286af83822 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -62,7 +62,7 @@ jobs:
       - COMMIT_AUTHOR: "Circle CI"
     working_directory: ~/remix-project
 
-    parallelism: 15
+    parallelism: 12
     steps:
       - checkout
       - run: npm install
@@ -95,7 +95,7 @@ jobs:
       - COMMIT_AUTHOR: "Circle CI"
     working_directory: ~/remix-project
 
-    parallelism: 15
+    parallelism: 12
     steps:
       - checkout
       - run: npm install
@@ -128,7 +128,7 @@ jobs:
       - COMMIT_AUTHOR: "Circle CI"
     working_directory: ~/remix-project
 
-    parallelism: 15
+    parallelism: 12
     steps:
       - checkout
       - run: npm install
@@ -161,7 +161,7 @@ jobs:
       - COMMIT_AUTHOR: "Circle CI"
     working_directory: ~/remix-project
 
-    parallelism: 15
+    parallelism: 12
     steps:
       - checkout
       - run: npm install