diff --git a/.appveyor.yml b/.appveyor.yml
index 6e92370..4f04bdb 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -13,6 +13,7 @@ init:
   - go env
 
 install:
+  - go get -t ./...
   - pip install Pygments
 
 build_script: