diff --git a/requirements.txt b/requirements.txt
index ed082c8..9a72813 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 amazon.ion>=0.7.0,<=0.9.3   # pinned per GitHub issue #164
-boto3~=1.28.79
+boto3~=1.34.30
 botocore~=1.31.79
 ionhash~=1.2.1
 pytest~=7.4.3