diff --git a/appveyor.yml b/appveyor.yml
index 0fdfca724c6985691e592bd4284b286f7c686672..2129c268144f8a87106397a68dd7b92ec708b501 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,6 +8,7 @@ install:
   ps: Bootstrap
 
 build_script:
+  - travis-tool.sh install_github USGS-R/EGRET
   - travis-tool.sh install_deps
 
 test_script: