diff --git a/dot-env.template b/dot-env.template
index 1e902be60..e31681235 100644
--- a/dot-env.template
+++ b/dot-env.template
@@ -18,6 +18,9 @@ AZURE_DALLE_API_KEY=...
 AZURE_DALLE_ENDPOINT=https://...
 AZURE_DALLE_MODEL=...
 
+# Cartesia
+CARTESIA_API_KEY=...
+
 # Daily
 DAILY_API_KEY=...
 DAILY_SAMPLE_ROOM_URL=https://...