diff --git a/attack_data_service/requirements.txt b/attack_data_service/requirements.txt
index 5ceaaaee..cc39cabe 100644
--- a/attack_data_service/requirements.txt
+++ b/attack_data_service/requirements.txt
@@ -34,7 +34,7 @@ Jinja2==3.0.2
 jmespath==0.10.0
 lockfile==0.12.2
 MarkupSafe==2.1.3
-mock==4.0.3
+mock==5.1.0
 more-itertools==10.1.0
 mysql-connector-python==8.0.29
 nodeenv==1.6.0