diff --git a/web/requirements.txt b/web/requirements.txt
index 2e110e5..e21d2c2 100644
--- a/web/requirements.txt
+++ b/web/requirements.txt
@@ -2,7 +2,7 @@ appdirs==1.4.3
 attrs==19.3.0
 black==19.10b0
 Click==7.0
-Django==2.2.10
+Django==2.2.28
 openslide-python==1.1.1
 pathspec==0.6.0
 Pillow==6.2.1