diff --git a/env.example b/env.example
index fae6bb2a4..93ebafeb2 100644
--- a/env.example
+++ b/env.example
@@ -59,6 +59,9 @@ GOOGLE_VERTEX_TEST_CREDENTIALS=...
 LMNT_API_KEY=...
 LMNT_VOICE_ID=...
 
+# Perplexity
+PERPLEXITY_API_KEY=...
+
 # PlayHT
 PLAY_HT_USER_ID=...
 PLAY_HT_API_KEY=...