diff --git a/go.mod b/go.mod
index 11df5ad..024c735 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/nabeken/aws-go-dynamodb/v2
 go 1.19
 
 require (
-	github.com/aws/aws-sdk-go v1.35.0
+	github.com/aws/aws-sdk-go v1.51.6
 	github.com/aws/aws-sdk-go-v2 v1.26.0
 	github.com/aws/aws-sdk-go-v2/credentials v1.17.9
 	github.com/aws/aws-sdk-go-v2/feature/dynamodb/attributevalue v1.13.11
diff --git a/go.sum b/go.sum
index c6b0711..61bf9db 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/aws/aws-sdk-go v1.35.0 h1:Pxqn1MWNfBCNcX7jrXCCTfsKpg5ms2IMUMmmcGtYJuo=
 github.com/aws/aws-sdk-go v1.35.0/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
+github.com/aws/aws-sdk-go v1.51.6 h1:Ld36dn9r7P9IjU8WZSaswQ8Y/XUCRpewim5980DwYiU=
+github.com/aws/aws-sdk-go v1.51.6/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/aws/aws-sdk-go-v2 v1.26.0 h1:/Ce4OCiM3EkpW7Y+xUnfAFpchU78K7/Ug01sZni9PgA=
 github.com/aws/aws-sdk-go-v2 v1.26.0/go.mod h1:35hUlJVYd+M++iLI3ALmVwMOyRYMmRqUXpTtRGW+K9I=
 github.com/aws/aws-sdk-go-v2/credentials v1.17.9 h1:N8s0/7yW+h8qR8WaRlPQeJ6czVMNQVNtNdUqf6cItao=