diff --git a/go.mod b/go.mod
index b311a5ed..e11642eb 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/hashicorp/terraform-plugin-go v0.22.0
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-plugin-testing v1.6.0
-	github.com/stackitcloud/stackit-sdk-go/core v0.9.0
+	github.com/stackitcloud/stackit-sdk-go/core v0.10.0
 	github.com/stackitcloud/stackit-sdk-go/services/argus v0.9.4
 	github.com/stackitcloud/stackit-sdk-go/services/dns v0.8.3
 	github.com/stackitcloud/stackit-sdk-go/services/loadbalancer v0.9.1
@@ -34,7 +34,6 @@ require (
 	github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 // indirect
 	github.com/agext/levenshtein v1.2.2 // indirect
 	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/go-git/go-git/v5 v5.11.0 // indirect
diff --git a/go.sum b/go.sum
index 7c7222ae..a34d334a 100644
--- a/go.sum
+++ b/go.sum
@@ -12,8 +12,6 @@ github.com/apparentlymart/go-textseg/v15 v15.0.0/go.mod h1:K8XmNZdhEBkdlyDdvbmms
 github.com/bufbuild/protocompile v0.4.0 h1:LbFKd2XowZvQ/kajzguUp2DC9UEIQhIq77fZZlaQsNA=
 github.com/bufbuild/protocompile v0.4.0/go.mod h1:3v93+mbWn/v3xzN+31nwkJfrEpAUwp+BagBSZWx+TP8=
 github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
-github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA=
 github.com/cloudflare/circl v1.3.7 h1:qlCDlTPz2n9fu58M0Nh1J/JzcFpfgkFHHX3O35r5vcU=
 github.com/cloudflare/circl v1.3.7/go.mod h1:sRTcRWXGLrKw6yIGJ+l7amYJFfAXbZG0kBSc8r4zxgA=
@@ -150,8 +148,8 @@ github.com/sergi/go-diff v1.2.0 h1:XU+rvMAioB0UC3q1MFrIQy4Vo5/4VsRDQQXHsEya6xQ=
 github.com/sergi/go-diff v1.2.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM=
 github.com/skeema/knownhosts v1.2.1 h1:SHWdIUa82uGZz+F+47k8SY4QhhI291cXCpopT1lK2AQ=
 github.com/skeema/knownhosts v1.2.1/go.mod h1:xYbVRSPxqBZFrdmDyMmsOs+uX1UZC3nTN3ThzgDxUwo=
-github.com/stackitcloud/stackit-sdk-go/core v0.9.0 h1:JLndaU+Wol1URA8wjvK9XAR6a6H+LxMLI4SdNIkR/qI=
-github.com/stackitcloud/stackit-sdk-go/core v0.9.0/go.mod h1:9d+0ucc7kPTlZ9qPpPTSNgBi+op1vejmUgzXOw2d2Gg=
+github.com/stackitcloud/stackit-sdk-go/core v0.10.0 h1:IcY8xa/6wo8EhRE9mpCvz4EtTkkoiIa2ZwPHuc5zGyw=
+github.com/stackitcloud/stackit-sdk-go/core v0.10.0/go.mod h1:B5dkVm2HlBRG7liBVIFNqncDb6TUHnJ7t0GsKhAFuRk=
 github.com/stackitcloud/stackit-sdk-go/services/argus v0.9.4 h1:cQuH4bPyC2mQ4bKtS7gjHySkmqRg+Nplv79vQlpCPCg=
 github.com/stackitcloud/stackit-sdk-go/services/argus v0.9.4/go.mod h1:ZX8PuU1ZsBQiy0MSzVZ7FZFLUmWW4eBB2ppzeQqBX8I=
 github.com/stackitcloud/stackit-sdk-go/services/dns v0.8.3 h1:Fe4P8IQT3oc5dQn8FVa3CwYzJFxb9eBPEfQwY4Z+Qwc=
diff --git a/stackit/internal/services/objectstorage/credential/resource_test.go b/stackit/internal/services/objectstorage/credential/resource_test.go
index 224581e3..fd816de7 100644
--- a/stackit/internal/services/objectstorage/credential/resource_test.go
+++ b/stackit/internal/services/objectstorage/credential/resource_test.go
@@ -395,7 +395,6 @@ func TestReadCredentials(t *testing.T) {
 			client, err := objectstorage.NewAPIClient(
 				config.WithEndpoint(mockedServer.URL),
 				config.WithoutAuthentication(),
-				config.WithRetryTimeout(time.Millisecond),
 			)
 			if err != nil {
 				t.Fatalf("Failed to initialize client: %v", err)
diff --git a/stackit/internal/services/secretsmanager/instance/resource_test.go b/stackit/internal/services/secretsmanager/instance/resource_test.go
index 84c188a9..8ecf18ce 100644
--- a/stackit/internal/services/secretsmanager/instance/resource_test.go
+++ b/stackit/internal/services/secretsmanager/instance/resource_test.go
@@ -8,7 +8,6 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
-	"time"
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/gorilla/mux"
@@ -464,7 +463,6 @@ func TestUpdateACLs(t *testing.T) {
 			client, err := secretsmanager.NewAPIClient(
 				config.WithEndpoint(mockedServer.URL),
 				config.WithoutAuthentication(),
-				config.WithRetryTimeout(time.Millisecond),
 			)
 			if err != nil {
 				t.Fatalf("Failed to initialize client: %v", err)