diff --git a/.travis.yml b/.travis.yml
index 0fc1026..abeb4c2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,10 +7,12 @@ install:
   - npm install -g codecov
 script:
   - yarn install
+  - yarn flow-typed
   - yarn lint
   - yarn test:coverage --runInBand --no-cache
   - yarn test --runInBand --no-cache
   - codecov
 cache:
   directories:
-    - node_modules
\ No newline at end of file
+    - node_modules
+    - flow-typed
\ No newline at end of file