diff --git a/go.mod b/go.mod
index acc55cbb5..305f36b21 100644
--- a/go.mod
+++ b/go.mod
@@ -271,7 +271,7 @@ require (
 	github.com/stackitcloud/stackit-sdk-go/services/loadbalancer v1.15.2
 	github.com/stackitcloud/stackit-sdk-go/services/logme v1.3.1
 	github.com/stackitcloud/stackit-sdk-go/services/mariadb v1.3.1
-	github.com/stackitcloud/stackit-sdk-go/services/objectstorage v1.9.2
+	github.com/stackitcloud/stackit-sdk-go/services/objectstorage v1.10.1
 	github.com/stackitcloud/stackit-sdk-go/services/observability v0.25.2
 	github.com/stackitcloud/stackit-sdk-go/services/rabbitmq v1.3.1
 	github.com/stackitcloud/stackit-sdk-go/services/redis v1.4.1
diff --git a/go.sum b/go.sum
index 704aeb9ac..69d271539 100644
--- a/go.sum
+++ b/go.sum
@@ -642,8 +642,8 @@ github.com/stackitcloud/stackit-sdk-go/services/mariadb v1.3.1 h1:FZJLUhHVrlrfFn
 github.com/stackitcloud/stackit-sdk-go/services/mariadb v1.3.1/go.mod h1:P1HFWSmuy2i1WA0PhcDfGsa0CRcbGTE+wDb1iEAL8/E=
 github.com/stackitcloud/stackit-sdk-go/services/mongodbflex v1.12.2 h1:oXuBETy/UZ3T8XxnZM2rfKVPxOxiZhNdz5ojn8dqMFo=
 github.com/stackitcloud/stackit-sdk-go/services/mongodbflex v1.12.2/go.mod h1:/a74NLBtvdS0Z2jrC4AvZCa+rcJDIhOOBkjM5y37eO4=
-github.com/stackitcloud/stackit-sdk-go/services/objectstorage v1.9.2 h1:FvT1SDs4Q8MTNwKERqMUgvXAyYwv/MQTAGfZAxcDfQo=
-github.com/stackitcloud/stackit-sdk-go/services/objectstorage v1.9.2/go.mod h1:HNLjAqJrfBYfK/DT7Nrwh6LkArq6bn/ri+kgps3skjc=
+github.com/stackitcloud/stackit-sdk-go/services/objectstorage v1.10.1 h1:7zNpG0O+2gJC22ZfV1lX+EPwT8DGnnlTEMjMN22y80w=
+github.com/stackitcloud/stackit-sdk-go/services/objectstorage v1.10.1/go.mod h1:HAQToFb4LrI6jdOdOowApI3KLF3D0KzE9ne0Lty4wkw=
 github.com/stackitcloud/stackit-sdk-go/services/observability v0.25.2 h1:fFb8inhRUgcmdVGHrOG59HKUnmENwwwq678895XgL1Q=
 github.com/stackitcloud/stackit-sdk-go/services/observability v0.25.2/go.mod h1:OAR5GjprwOgXmCIbZTP8ISJ4CmPrCW0zY0phg06pIps=
 github.com/stackitcloud/stackit-sdk-go/services/opensearch v1.3.1 h1:xVv2Z/ddBJaY65dfGMOn5pC8OAENOpO2fnKp7nuH5Lo=
diff --git a/internal/cmd/object-storage/credentials/create/create.go b/internal/cmd/object-storage/credentials/create/create.go
index eeec51ad1..e8a65e3f4 100644
--- a/internal/cmd/object-storage/credentials/create/create.go
+++ b/internal/cmd/object-storage/credentials/create/create.go
@@ -132,7 +132,7 @@ func buildRequest(ctx context.Context, model *inputModel, apiClient *objectstora
 	req := apiClient.DefaultAPI.CreateAccessKey(ctx, model.ProjectId, model.Region)
 	req = req.CredentialsGroup(model.CredentialsGroupId)
 	req = req.CreateAccessKeyPayload(objectstorage.CreateAccessKeyPayload{
-		Expires: model.ExpireDate,
+		Expires: *objectstorage.NewNullableTime(model.ExpireDate),
 	})
 	return req
 }
diff --git a/internal/cmd/object-storage/credentials/create/create_test.go b/internal/cmd/object-storage/credentials/create/create_test.go
index 1cbf8fc7c..48e811182 100644
--- a/internal/cmd/object-storage/credentials/create/create_test.go
+++ b/internal/cmd/object-storage/credentials/create/create_test.go
@@ -68,7 +68,7 @@ func fixturePayload(mods ...func(payload *objectstorage.CreateAccessKeyPayload))
 		return objectstorage.CreateAccessKeyPayload{}
 	}
 	payload := objectstorage.CreateAccessKeyPayload{
-		Expires: utils.Ptr(testExpirationDate),
+		Expires: *objectstorage.NewNullableTime(utils.Ptr(testExpirationDate)),
 	}
 	for _, mod := range mods {
 		mod(&payload)
@@ -207,6 +207,7 @@ func TestBuildRequest(t *testing.T) {
 			diff := cmp.Diff(request, tt.expectedRequest,
 				cmp.AllowUnexported(tt.expectedRequest, objectstorage.DefaultAPIService{}),
 				cmpopts.EquateComparable(testCtx),
+				cmp.AllowUnexported(objectstorage.NullableTime{}),
 			)
 			if diff != "" {
 				t.Fatalf("Data does not match: %s", diff)
diff --git a/internal/cmd/object-storage/credentials/list/list.go b/internal/cmd/object-storage/credentials/list/list.go
index 997dc45a0..7264e8773 100644
--- a/internal/cmd/object-storage/credentials/list/list.go
+++ b/internal/cmd/object-storage/credentials/list/list.go
@@ -147,8 +147,8 @@ func outputResult(p *print.Printer, outputFormat, credentialsGroupLabel string,
 			c := credentials[i]
 
 			expiresAt := "Never"
-			if c.Expires != "" {
-				expiresAt = c.Expires
+			if c.Expires.Get() != nil && *c.Expires.Get() != "" {
+				expiresAt = *c.Expires.Get()
 			}
 			table.AddRow(c.KeyId, c.DisplayName, expiresAt)
 		}