diff --git a/.circleci/config.yml b/.circleci/config.yml
index e60676a8..f3dbf371 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,7 +6,7 @@ version: 2.1
 parameters:
     tools-cache-version:
         type: string
-        default: "v7"
+        default: "v8"
 
 # default execution env.s
 executors: