diff --git a/infra/modules/openai/main.tf b/infra/modules/openai/main.tf
index b0e6f5a..5b55425 100644
--- a/infra/modules/openai/main.tf
+++ b/infra/modules/openai/main.tf
@@ -47,7 +47,7 @@ resource "azurerm_cognitive_deployment" "gpt_4" {
   model {
     format  = "OpenAI"
     name    = "gpt-4"
-    version = "1106-preview"
+    version = "1106-Preview"
   }
 
   scale {