diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 00000000..e7b5dfa9
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,2 @@
+kind: template
+load: docker.yaml
diff --git a/connector/github/github.go b/connector/github/github.go
index ef8d418f..ec0615f9 100644
--- a/connector/github/github.go
+++ b/connector/github/github.go
@@ -270,7 +270,7 @@ func (c *githubConnector) HandleCallback(s connector.Scopes, r *http.Request) (i
 	identity = connector.Identity{
 		UserID:            strconv.Itoa(user.ID),
 		Username:          username,
-		PreferredUsername: user.Login,
+		PreferredUsername: strings.ToLower(user.Login),
 		Email:             user.Email,
 		EmailVerified:     true,
 	}