diff --git a/preprod.gen3.biodatacatalyst.nhlbi.nih.gov/manifest.json b/preprod.gen3.biodatacatalyst.nhlbi.nih.gov/manifest.json
index cc7e597db..8ad223f10 100644
--- a/preprod.gen3.biodatacatalyst.nhlbi.nih.gov/manifest.json
+++ b/preprod.gen3.biodatacatalyst.nhlbi.nih.gov/manifest.json
@@ -401,7 +401,7 @@
     "environment": "stageprod",
     "hostname": "preprod.gen3.biodatacatalyst.nhlbi.nih.gov",
     "revproxy_arn": "arn:aws:acm:us-east-1:895962626746:certificate/a82bb5ed-9ad1-444d-9bfd-5bc314541307",
-    "dictionary_url": "https://s3.amazonaws.com/dictionary-artifacts/gtexdictionary/4.5.2/schema.json",
+    "dictionary_url": "https://s3.amazonaws.com/dictionary-artifacts/gtexdictionary/4.5.3/schema.json",
     "portal_app": "gitops",
     "kube_bucket": "kube-stageprod-gen3",
     "logs_bucket": "logs-stageprod-gen3",