diff --git a/.circleci/config.yml b/.circleci/config.yml
index 95c44af..34e91cc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,5 +9,9 @@ jobs:
     steps:
       - checkout # check out the code in the project directory
       - run: yarn install 
-      - restore_cache:
+      - save_cache: 
+          key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
+          paths:
+            - ~/.stack
+      - restore_cache: 
           key: npm-v1-dependencies-{{ checksum "yarn.lock" }}