diff --git a/infra/main.bicep b/infra/main.bicep
index e9a84bec7..95e26cc9f 100644
--- a/infra/main.bicep
+++ b/infra/main.bicep
@@ -67,7 +67,7 @@ param openAIApiVersion string = '2024-08-01-preview'
 param chatGptDeploymentCapacity int = 30
 param chatGptDeploymentName string = 'gpt-4o'
 param chatGptModelName string = 'gpt-4o'
-param chatGptModelVersion string = '2024-05-13'
+param chatGptModelVersion string = '2024-11-20'
 param embeddingDeploymentName string = 'embedding'
 param embeddingDeploymentCapacity int = 120
 param embeddingModelName string = 'text-embedding-ada-002'