diff --git a/internal/provider/resource_repository.go b/internal/provider/resource_repository.go
index f2c4e23..c7cfc03 100644
--- a/internal/provider/resource_repository.go
+++ b/internal/provider/resource_repository.go
@@ -4,16 +4,19 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"regexp"
 	"strings"
 
 	"github.com/docker/terraform-provider-docker/internal/pkg/hubclient"
 	"github.com/docker/terraform-provider-docker/internal/pkg/repositoryutils"
+	"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
 	"github.com/hashicorp/terraform-plugin-framework/resource"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/booldefault"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/int64planmodifier"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/planmodifier"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/stringplanmodifier"
+	"github.com/hashicorp/terraform-plugin-framework/schema/validator"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 )
 
@@ -177,6 +180,12 @@ func (r *RepositoryResource) Schema(_ context.Context, _ resource.SchemaRequest,
 				PlanModifiers: []planmodifier.String{
 					stringplanmodifier.RequiresReplace(),
 				},
+				Validators: []validator.String{
+					stringvalidator.RegexMatches(
+						regexp.MustCompile(`^[a-z0-9]+(?:[._-][a-z0-9]+)*$`),
+						"Name must only contain alphanumeric characters, '.', or '-', and must start and end with an alphanumeric character",
+					),
+				},
 			},
 			"description": schema.StringAttribute{
 				MarkdownDescription: "Repository description",