diff --git a/go.mod b/go.mod
index 40c7a472..e27b1bbb 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.16
 
 require (
 	github.com/Hsn723/certspotter-client v1.0.2
-	github.com/aws/aws-sdk-go v1.44.159
+	github.com/aws/aws-sdk-go v1.44.160
 	github.com/cybozu-go/log v1.6.1
 	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
 	github.com/emersion/go-smtp v0.15.1-0.20220315104156-8c3df8a6b249
diff --git a/go.sum b/go.sum
index c60d6a0c..ff479bbf 100644
--- a/go.sum
+++ b/go.sum
@@ -267,8 +267,8 @@ github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQ
 github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
 github.com/aws/aws-sdk-go v1.15.78/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3ATZkfNZeM=
 github.com/aws/aws-sdk-go v1.40.56/go.mod h1:585smgzpB/KqRA+K3y/NL/oYRqQvpNJYvLm+LY1U59Q=
-github.com/aws/aws-sdk-go v1.44.159 h1:9odtuHAYQE9tQKyuX6ny1U1MHeH5/yzeCJi96g9H4DU=
-github.com/aws/aws-sdk-go v1.44.159/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
+github.com/aws/aws-sdk-go v1.44.160 h1:F41sWUel1CJ69ezoBGCg8sDyu9kyeKEpwmDrLXbCuyA=
+github.com/aws/aws-sdk-go v1.44.160/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=