diff --git a/enterprise/app/views/api/v1/models/captain/_custom_tool.json.jbuilder b/enterprise/app/views/api/v1/models/captain/_custom_tool.json.jbuilder
index bc1edc913..778b30061 100644
--- a/enterprise/app/views/api/v1/models/captain/_custom_tool.json.jbuilder
+++ b/enterprise/app/views/api/v1/models/captain/_custom_tool.json.jbuilder
@@ -11,5 +11,5 @@ json.auth_config custom_tool.auth_config
 json.param_schema custom_tool.param_schema
 json.enabled custom_tool.enabled
 json.account_id custom_tool.account_id
-json.created_at custom_tool.created_at
-json.updated_at custom_tool.updated_at
+json.created_at custom_tool.created_at.to_i
+json.updated_at custom_tool.updated_at.to_i