diff --git a/requirements.txt b/requirements.txt
index 3cc93d70..6bce1a34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@
 
 # dev and test
 # ------------
-boto3==1.39.0
+boto3==1.40.21
 botocore>=1.35.10
 pytest==8.4.1
 pytest_mock==3.14.1