diff --git a/samples/api-client/accesstoken_example/requirements.txt b/samples/api-client/accesstoken_example/requirements.txt
index 27a75cbb..9edd73be 100644
--- a/samples/api-client/accesstoken_example/requirements.txt
+++ b/samples/api-client/accesstoken_example/requirements.txt
@@ -8,4 +8,4 @@ google-cloud-pubsub==2.9.0
 google-cloud-storage==2.0.0; python_version == '3.6'
 google-cloud-storage==2.1.0; python_version > '3.6'
 paho-mqtt==1.6.1
-pyjwt==2.3.0
+pyjwt==2.4.0