diff --git a/src/snowflake/snowpark/mock/_functions.py b/src/snowflake/snowpark/mock/_functions.py
index 9c444bdc247..f4156acd95c 100644
--- a/src/snowflake/snowpark/mock/_functions.py
+++ b/src/snowflake/snowpark/mock/_functions.py
@@ -12,7 +12,6 @@
 from numbers import Real
 from typing import Any, Callable, Optional, Union
 
-import dateutil.parser
 import pytz
 
 from snowflake.snowpark.exceptions import SnowparkSQLException
@@ -609,6 +608,9 @@ def _to_timestamp(
 
         [ ] If the value is greater than or equal to 31536000000000000, then the value is treated as nanoseconds.
     """
+    # dateutil is a pandas dependency
+    import dateutil.parser
+
     res = []
     fmt_column = fmt if fmt is not None else [None] * len(column)