diff --git a/.circleci/config.yml b/.circleci/config.yml
index fc995b15..9dc4e67b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,6 +9,13 @@ scripts: &scripts
     - run: yarn lint
     - run: yarn build
 
+uptodate: &uptodate
+  steps:
+    - checkout
+    - run: yarn
+    - run: yarn build
+    - run: git diff --exit-code build
+
 jobs:
   node-10:
     <<: *scripts
@@ -26,6 +33,12 @@ jobs:
     <<: *scripts
     docker:
       - image: circleci/node:14
+  uptodate:
+    <<: *uptodate
+    requires:
+      - node-12
+    docker:
+      - image: circleci/node:12
 
 workflows:
   version: 2
@@ -35,3 +48,4 @@ workflows:
       - node-12
       - node-13
       - node-14
+      - uptodate
diff --git a/build/index.js b/build/index.js
index cc809960..70e32b16 100644
--- a/build/index.js
+++ b/build/index.js
@@ -54229,6 +54229,7 @@ exports.fromLocalCache = fromLocalCache;
  */
 function toLocalCache(root, version) {
     return __awaiter(this, void 0, void 0, function* () {
+        console.log('asd');
         return toolCache.cacheDir(root, 'expo-cli', version);
     });
 }