diff --git a/src/main/java/com/google/cloud/agentplatform/types/DefaultContainerCategory.java b/src/main/java/com/google/cloud/agentplatform/types/DefaultContainerCategory.java
index 250497b..ce1d392 100644
--- a/src/main/java/com/google/cloud/agentplatform/types/DefaultContainerCategory.java
+++ b/src/main/java/com/google/cloud/agentplatform/types/DefaultContainerCategory.java
@@ -32,7 +32,10 @@ public enum Known {
     DEFAULT_CONTAINER_CATEGORY_UNSPECIFIED,
 
     /** The default container image for Computer Use. */
-    DEFAULT_CONTAINER_CATEGORY_COMPUTER_USE
+    DEFAULT_CONTAINER_CATEGORY_COMPUTER_USE,
+
+    /** The default container image for Shell Sandbox. */
+    DEFAULT_CONTAINER_CATEGORY_SHELL_SANDBOX
   }
 
   private Known defaultContainerCategoryEnum;