diff --git a/tools/google-cloud-support-slackbot/requirements.txt b/tools/google-cloud-support-slackbot/requirements.txt
index bbac9657d4..7845b13fef 100644
--- a/tools/google-cloud-support-slackbot/requirements.txt
+++ b/tools/google-cloud-support-slackbot/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==2.6.1
+cryptography==41.0.3
 firebase==3.0.1
 firebase-admin==5.1.0
 Flask==1.1.4