diff --git a/.env.example b/.env.example
index 0689964..4766ed1 100644
--- a/.env.example
+++ b/.env.example
@@ -57,11 +57,13 @@ DOCKER_INSTALL_XDEBUG=false
 
 GOOGLE_CLIENT_ID=
 GOOGLE_CLIENT_SECRET=
+GOOGLE_CALENDAR_ENABLED=true
 GOOGLE_REDIRECT=http://localhost/login/google/end
 GOOGLE_CALENDAR_ID=
 LOCAL_EMAIL_FOR_LOGIN_VIA_GOOGLE=
 
 SLACK_URL=https://slack.com/api
+SLACK_ENABLED=true
 SLACK_CLIENT_TOKEN=
 SLACK_SIGNING_SECRET=
 SLACK_DEFAULT_CHANNEL="#general"