diff --git a/infra/variables.tf b/infra/variables.tf
index 5063f4d..4cf81a4 100644
--- a/infra/variables.tf
+++ b/infra/variables.tf
@@ -91,11 +91,11 @@ variable "ca_chat_image" {
 }
 
 variable "ca_prep_docs_image" {
-  default = "ghcr.io/azure/aihub/aihub-prepdocs:1.0.1"
+  default = "ghcr.io/azure/aihub/aihub-prepdocs:1.0.5"
 }
 
 variable "ca_aihub_image" {
-  default = "ghcr.io/azure/aihub/aihub:1.0.2-preview.25"
+  default = "ghcr.io/azure/aihub/aihub:1.0.5"
 }
 
 variable "use_random_suffix" {