diff --git a/VERSION b/VERSION
index b8061b5..a14da29 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0.15
+2.0.16
diff --git a/api/routes.py b/api/routes.py
index 6f4a952..7f9921c 100644
--- a/api/routes.py
+++ b/api/routes.py
@@ -110,7 +110,7 @@ async def sonarr_webhook(request: Request, background_tasks: BackgroundTasks, de
                 series_lookup_url = f"{config.sonarr_url}/api/v3/series/lookup?term=imdbid:{imdb_id}"
                 print(f"DEBUG: Sonarr lookup for rename: {series_lookup_url}")
                 
-                response = requests.get(series_lookup_url, headers={"X-Api-Key": config.sonarr_api_key}, timeout=10)
+                response = requests.get(series_lookup_url, headers={"X-Api-Key": os.environ.get("SONARR_API_KEY", "")}, timeout=10)
                 if response.status_code == 200:
                     series_results = response.json()
                     if series_results:
@@ -123,7 +123,7 @@ async def sonarr_webhook(request: Request, background_tasks: BackgroundTasks, de
                         history_url = f"{config.sonarr_url}/api/v3/history?seriesId={series_id}&eventType=episodeFileRenamed&since={since_date}&pageSize=10"
                         print(f"DEBUG: Checking recent rename history: {history_url}")
                         
-                        history_response = requests.get(history_url, headers={"X-Api-Key": config.sonarr_api_key}, timeout=10)
+                        history_response = requests.get(history_url, headers={"X-Api-Key": os.environ.get("SONARR_API_KEY", "")}, timeout=10)
                         if history_response.status_code == 200:
                             history_data = history_response.json()
                             recent_renames = history_data.get("records", [])