diff --git a/DataSimulator/requirements.txt b/DataSimulator/requirements.txt
index a237230..d20cddc 100644
--- a/DataSimulator/requirements.txt
+++ b/DataSimulator/requirements.txt
@@ -1,4 +1,4 @@
-PyJWT==1.5.0
+PyJWT==2.12.0
 scipy==0.17.0
 numpy==1.13.0
 paho-mqtt==1.2.3