diff --git a/requirements.txt b/requirements.txt
index 7ec15b3..82e858e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Django==2.2.7
+Django==2.2.28
 et-xmlfile==1.0.1
 jdcal==1.4.1
 openpyxl==3.0.2