diff --git a/cumulusci/cli/cci.py b/cumulusci/cli/cci.py
index <HASH>..<HASH> 100644
--- a/cumulusci/cli/cci.py
+++ b/cumulusci/cli/cci.py
@@ -792,7 +792,7 @@ def org_info(config, org_name, print_json):
     org_config.refresh_oauth_token(config.keychain)
 
     if print_json:
-        click.echo(json.dumps(org_config.config, sort_keys=True, indent=4))
+        click.echo(json.dumps(org_config.config, sort_keys=True, indent=4, default=str))
     else:
         render_recursive(org_config.config)
For cci org info, serialize unknown types by stringifying them