diff --git a/freqtrade/rpc/api_server/api_v1.py b/freqtrade/rpc/api_server/api_v1.py
index 143f110f0..c37928cbf 100644
--- a/freqtrade/rpc/api_server/api_v1.py
+++ b/freqtrade/rpc/api_server/api_v1.py
@@ -49,7 +49,8 @@ logger = logging.getLogger(__name__)
 # 2.28: Switch reload endpoint to Post
 # 2.29: Add /exchanges endpoint
 # 2.30: new /pairlists endpoint
-API_VERSION = 2.30
+# 2.31: new /backtest/history/ delete endpoint
+API_VERSION = 2.31
 
 # Public API, requires no auth.
 router_public = APIRouter()