diff --git a/README.md b/README.md
index 549f14e73..e8bd5d197 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,7 @@ Note: there is a test account you can use. Get this from another developer if yo
 - `ONESKY_API_KEY` - Public key for uploading/downloading translations from OneSky
 - `ONESKY_API_SECRET` - Secret key for uploading/downloading translations from OneSky
 - `ONESKY_PROJECT_ID` - Project id for uploading/downloading translations from OneSky
+- `GOOGLE_MAPS_API_KEY` - Google Maps API key configured to have access to the `places` API
 - `GOOGLE_TAG_MANAGER_CONTAINER_ID` - Optional Google Tag Manager container ID
 - `NEXT_PUBLIC_MEDIA_FAVICON` - Application favicon image url
 - `NEXT_PUBLIC_MEDIA_LOGO` - Application logo image url