diff --git a/appveyor.yml b/appveyor.yml
index 8f25b03..9018ac7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,10 +9,16 @@ environment:
 platform:
   - x64
 
+cache:
+  - C:\ProgramData\chocolatey\bin -> appveyor.yml
+  - C:\ProgramData\chocolatey\lib -> appveyor.yml
 install:
   - go version
   - go env
-  - choco install bzr hg
+  - choco install -y bzr
+  - refreshenv
+  - choco install -y hg
+  - refreshenv
   - set PATH=C:\Program Files (x86)\Bazaar\;C:\Program Files\Mercurial\;%PATH%
 build_script:
   - go get github.com/Masterminds/glide