diff --git a/tr_sys/tr_ars/utils.py b/tr_sys/tr_ars/utils.py
index 2558835e..8ed87ecd 100644
--- a/tr_sys/tr_ars/utils.py
+++ b/tr_sys/tr_ars/utils.py
@@ -30,7 +30,7 @@
     'inforesid': 'ARS'
 }
 
-NORMALIZER_URL=os.getenv("TR_NORMALIZER") if os.getenv("TR_NORMALIZER") is not None else "https://nodenorm.transltr.io/1.3/get_normalized_nodes"
+NORMALIZER_URL=os.getenv("TR_NORMALIZER") if os.getenv("TR_NORMALIZER") is not None else "https://nodenormalization-sri.renci.org/1.4/get_normalized_nodes"
 ANNOTATOR_URL=os.getenv("TR_ANNOTATOR") if os.getenv("TR_ANNOTATOR") is not None else "https://biothings.ci.transltr.io/annotator/"
 APPRAISER_URL=os.getenv("TR_APPRAISE") if os.getenv("TR_APPRAISE") is not None else "http://localhost:9096/get_appraisal"