diff --git a/wercker.yml b/wercker.yml
index c5f7897..90c44c7 100644
--- a/wercker.yml
+++ b/wercker.yml
@@ -11,6 +11,8 @@ build:
             name: build and deploy
             code: |
               git config remote.origin.url $GIT_CREDENTIALS
+              git config --global user.email $GIT_EMAIL
+              git config --global user.name $GIT_NAME
               git checkout gh-pages
               git reset --hard master
               nanoc