diff --git a/push-down-test/functions.txt b/push-down-test/functions.txt
index 61c6d8f..b010ae2 100644
--- a/push-down-test/functions.txt
+++ b/push-down-test/functions.txt
@@ -61,3 +61,4 @@ json_replace
 json_remove
 json_length
 concat
+un_hex
\ No newline at end of file