diff --git a/.env.development b/.env.development
index 1bac82b17..323c01b73 100644
--- a/.env.development
+++ b/.env.development
@@ -248,8 +248,11 @@ FOOD_BACKEND_PORT=3023
 FOOD_DATABASE_URL=postgresql://mana:devpassword@localhost:5432/mana_platform
 FOOD_APP_ID=food
 
-# Google Gemini API for food image analysis
-GEMINI_API_KEY=AIzaSyBR9iP74hlo-mhI-Cl4QEvKprRzPPMb-GA
+# Google Gemini API — feeds food image analysis AND mana-api Wardrobe
+# Try-On (Nano Banana edits). Rotated 2026-04-24: previous key
+# AIzaSyBR9... expired with "API_KEY_INVALID / API key expired".
+# Matches GOOGLE_GENAI_API_KEY used by mana-research + mana-auth.
+GEMINI_API_KEY=AIzaSyA0rTThrAXgz1BLPqALeyMFG64GSgtu88A
 
 # S3 Storage (uses MinIO locally via shared S3_* variables)
 FOOD_S3_PUBLIC_URL=http://localhost:9000/food-storage