diff --git a/.env.example b/.env.example
index a2fccaa1..c2daa69e 100644
--- a/.env.example
+++ b/.env.example
@@ -81,4 +81,5 @@ E_INVOICE_START_DATE="2025-07-01 00:00:00"
 MAINTENANCE_MESSAGE_TITLE="" # default empty, e.g. We'll be back online on 00:00 1/7/2025
 MAINTENANCE_MESSAGE="Sorry for the inconvenience but we're performing some maintenance at the moment."
 
-OPENAI_API_KEY=""
+OPENAI_API_KEY=
+ANTHROPIC_API_KEY=