diff --git a/appveyor.yml b/appveyor.yml
index 4f2366b51..d3ef9db53 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,6 +7,9 @@ branches:
 
 stack: node 10
 
+install:
+- gem install jekyll bundler
+
 before_build:
 - node --version
 - npm --version