diff --git a/cmd/compose/compose.go b/cmd/compose/compose.go
index 7796a1a6c2..e215aa394b 100644
--- a/cmd/compose/compose.go
+++ b/cmd/compose/compose.go
@@ -307,7 +307,13 @@ func (o *ProjectOptions) ToModel(ctx context.Context, dockerCli command.Cli, ser
 
 // ToProject loads a Compose project using the LoadProject API.
 // Accepts optional cli.ProjectOptionsFn to control loader behavior.
-func (o *ProjectOptions) ToProject(ctx context.Context, dockerCli command.Cli, backend api.Compose, services []string, po ...cli.ProjectOptionsFn) (*types.Project, tracing.Metrics, error) {
+func (o *ProjectOptions) ToProject(
+	ctx context.Context,
+	dockerCli command.Cli,
+	backend api.Compose,
+	services []string,
+	po ...cli.ProjectOptionsFn,
+) (*types.Project, tracing.Metrics, error) {
 	var metrics tracing.Metrics
 	remotes := o.remoteLoaders(dockerCli)
 
@@ -357,6 +363,9 @@ func (o *ProjectOptions) ToProject(ctx context.Context, dockerCli command.Cli, b
 		return nil, metrics, err
 	}
 
+	// Warn about unsupported attributes (e.g. deploy)
+	warnUnsupportedAttributes(project)
+
 	return project, metrics, nil
 }
 
diff --git a/cmd/compose/warnings.go b/cmd/compose/warnings.go
new file mode 100644
index 0000000000..c91cbaa6df
--- /dev/null
+++ b/cmd/compose/warnings.go
@@ -0,0 +1,17 @@
+package compose
+
+import (
+	"github.com/compose-spec/compose-go/v2/types"
+	"github.com/sirupsen/logrus"
+)
+
+func warnUnsupportedAttributes(project *types.Project) {
+	for _, service := range project.Services {
+		if service.Deploy != nil {
+			logrus.Warnf(
+				"Service %q uses 'deploy' which is not supported by docker compose and will be ignored",
+				service.Name,
+			)
+		}
+	}
+}