diff --git a/modules/mesh-delivery-watchman/manifest_test.go b/modules/mesh-delivery-watchman/manifest_test.go
index 4926b296..e8d37103 100644
--- a/modules/mesh-delivery-watchman/manifest_test.go
+++ b/modules/mesh-delivery-watchman/manifest_test.go
@@ -7,6 +7,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"regexp"
 	"slices"
 	"strings"
 	"testing"
@@ -98,6 +99,10 @@ func TestManifestStateAndReads(t *testing.T) { // 1135/AC6
 		"mesh-delivery-builder.builds", "mesh-host.health", "mesh-provisioner.provisions", "node-engine.have"}) {
 		t.Errorf("reads = %v", reads)
 	}
+	// Design 47 G §368: the version is MAJOR.MINOR and nothing else.
+	if !regexp.MustCompile(`^[0-9]+\.[0-9]+$`).MatchString(m.Version) {
+		t.Errorf("version = %q, want MAJOR.MINOR", m.Version)
+	}
 	// DLV-M5 (ADR 0615 §1): the assigner's wants and the indexer's modules are their owners' states, asked by their read
 	// tools and followed by their views families, never read.
 	for _, r := range m.Reads {
diff --git a/modules/mesh-delivery-watchman/module.json b/modules/mesh-delivery-watchman/module.json
index 08b23559..bd081f2f 100644
--- a/modules/mesh-delivery-watchman/module.json
+++ b/modules/mesh-delivery-watchman/module.json
@@ -1,6 +1,6 @@
 {
   "module": "mesh-delivery-watchman",
-  "version": "1",
+  "version": "0.1",
   "slug": "watchman",
   "claims": [
     {