diff --git a/cwl-requirements.txt b/cwl-requirements.txt
index f6025b2c..eb72bbc7 100644
--- a/cwl-requirements.txt
+++ b/cwl-requirements.txt
@@ -1,7 +1,7 @@
 backports-abc==0.4
 certifi==2016.2.28
 demjson==2.2.4
-Django==2.2.27
+Django==2.2.28
 docutils==0.12
 functools32==3.2.3.post2
 html5lib==0.999999999
diff --git a/requirements.txt b/requirements.txt
index a68019e2..f272b977 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backports-abc==0.4
 biopython==1.76
 certifi==2016.2.28
 demjson==2.2.4
-Django==2.2.27
+Django==2.2.28
 docutils==0.12
 functools32==3.2.3.post2
 html5lib==0.999999999