diff --git a/DDPG/requirements.txt b/DDPG/requirements.txt
index e21f072..a9b7760 100644
--- a/DDPG/requirements.txt
+++ b/DDPG/requirements.txt
@@ -54,7 +54,7 @@ psutil==5.6.7
 py-cpuinfo==5.0.0
 pycparser==2.19
 pyglet==1.3.2
-PyJWT==1.7.1
+PyJWT==2.4.0
 pymongo==3.10.1
 PyOpenGL==3.1.0
 pyparsing==2.4.2