diff --git a/requirements.txt b/requirements.txt
index 5aff9e8..72de2f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ plaster==1.0
 plaster-pastedeploy==0.7
 portier-python==0.1.1
 pycparser==2.20
-PyJWT==2.1.0
+PyJWT==2.4.0
 pyramid==2.0
 pyramid-multiauth==0.9.0
 pyramid-tm==2.4