diff --git a/go.mod b/go.mod
index bfd5c8c..6eec16a 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.26.2
 require (
 	github.com/RaMin0/gin-health-check v0.0.0-20180807004848-a677317b3f01
 	github.com/aws/amazon-s3-encryption-client-go/v3 v3.2.0
+	github.com/aws/amazon-s3-encryption-client-go/v4 v4.0.0
 	github.com/aws/aws-sdk-go-v2 v1.42.1
 	github.com/aws/aws-sdk-go-v2/config v1.32.27
 	github.com/aws/aws-sdk-go-v2/service/kms v1.53.6
diff --git a/go.sum b/go.sum
index fefa47a..0e5aa25 100644
--- a/go.sum
+++ b/go.sum
@@ -4,6 +4,7 @@ github.com/aws/amazon-s3-encryption-client-go/v3 v3.1.0 h1:P4dOTmTkEb8Dj/LuAoA4b
 github.com/aws/amazon-s3-encryption-client-go/v3 v3.1.0/go.mod h1:olnwkBTbWjaJCaGOHohvJu98q40GiJZuDHLXj751mII=
 github.com/aws/amazon-s3-encryption-client-go/v3 v3.2.0 h1:C2eHgyRaUec5DhYBaAjXPipw8IA8FpndfzcubOgk6H0=
 github.com/aws/amazon-s3-encryption-client-go/v3 v3.2.0/go.mod h1:k/WQiWAouhMQHIuaTsgn/STAkEVHusoKdo9DdFe1dw4=
+github.com/aws/amazon-s3-encryption-client-go/v4 v4.0.0/go.mod h1:ffiGxpvnBTnr7l4evAkZ+Qtsoi2Ll9pj4qc3okZsvM0=
 github.com/aws/aws-sdk-go-v2 v1.39.0 h1:xm5WV/2L4emMRmMjHFykqiA4M/ra0DJVSWUkDyBjbg4=
 github.com/aws/aws-sdk-go-v2 v1.39.0/go.mod h1:sDioUELIUO9Znk23YVmIk86/9DOpkbyyVb1i/gUNFXY=
 github.com/aws/aws-sdk-go-v2 v1.41.6 h1:1AX0AthnBQzMx1vbmir3Y4WsnJgiydmnJjiLu+LvXOg=