diff --git a/.travis.yml b/.travis.yml
index de301fa..0e19ab9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,9 @@ before_install:
     - sudo apt-get install -y neovim
 
 install:
+    - pip install enum34
+    - pip install pathlib
+    - pip install typing
     - pip install vim-vint
 
 before_script: |