diff --git a/aws-python-line-echo-bot/requirements.txt b/aws-python-line-echo-bot/requirements.txt
index 9eb25a611..6256d0bf4 100644
--- a/aws-python-line-echo-bot/requirements.txt
+++ b/aws-python-line-echo-bot/requirements.txt
@@ -1 +1,3 @@
-line-bot-sdk==1.12.1
\ No newline at end of file
+line-bot-sdk==1.12.1
+requests>=2.32.4 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file