diff --git a/IntroToCloudComputing/CloudFunctionForPubsub/requirements.txt b/IntroToCloudComputing/CloudFunctionForPubsub/requirements.txt
index a18ab50..734bcf0 100644
--- a/IntroToCloudComputing/CloudFunctionForPubsub/requirements.txt
+++ b/IntroToCloudComputing/CloudFunctionForPubsub/requirements.txt
@@ -15,5 +15,5 @@ pytz==2019.3
 requests==2.22.0
 rsa==4.0
 six==1.13.0
-urllib3==1.25.7
+urllib3==1.26.5
 wincertstore==0.2