diff --git a/requirements.txt b/requirements.txt
index 50cf7f5..b929d60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,4 +32,4 @@ Flask-Mail==0.9.1
 articlemetaapi==1.26.4
 prometheus-client==0.5.0
 beautifulsoup4==4.6.3
-mock==2.0.0
+mock==5.2.0