diff --git a/requirements.txt b/requirements.txt
index fb92a7a3f..ad5e07339 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -74,7 +74,7 @@ requirements/src/whitelistaffilmapper-0.1.1-py2.py3-none-any.whl
 s3transfer==0.13.0
 jmespath==1.0.1
 
-boto3>=1.12.0,<1.39.0
+boto3>=1.12.0,<1.40.0
 botocore>=1.15.0,<1.39.0
 
 unicodecsv==0.14.1