diff --git a/week1/requirements.txt b/week1/requirements.txt
index 72e7e6d..6cf9a8b 100644
--- a/week1/requirements.txt
+++ b/week1/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 ibm-cloud-sdk-core==1.5.1
 ibm-watson==4.3.0
 idna==2.9
-PyJWT==1.7.1
+PyJWT==2.4.0
 python-dateutil==2.8.1
 requests==2.23.0
 six==1.14.0