diff --git a/code/aws/lambda-function/sqs-sns_example/requirements.txt b/code/aws/lambda-function/sqs-sns_example/requirements.txt
index 874bbe6..3e9e25f 100644
--- a/code/aws/lambda-function/sqs-sns_example/requirements.txt
+++ b/code/aws/lambda-function/sqs-sns_example/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 click==6.6
 docutils==0.12
 futures==3.2.0
-idna==2.7
+idna==3.7
 jmespath==0.9.0
 pyaml==15.8.2
 python-dateutil==2.5.3