diff --git a/internal/topdata/wiki_native.go b/internal/topdata/wiki_native.go
index 0dd39a3..c239455 100644
--- a/internal/topdata/wiki_native.go
+++ b/internal/topdata/wiki_native.go
@@ -26,7 +26,7 @@ const (
 	legacyWikiRootDirName = ".wiki"
 	wikiPagesDirName      = "pages"
 	wikiStateFileName     = "state.json"
-	wikiGeneratorVersion  = "nodebb-tiptap-html-v2"
+	wikiGeneratorVersion  = "nodebb-tiptap-html-v3"
 	wikiGeneratedStatus   = "generated"
 	wikiSkippedStatus     = "skipped"
 )
@@ -266,6 +266,9 @@ func wikiStatusPagesEnabled(cfg project.TopDataWikiConfig) bool {
 }
 
 func wikiCachedPagesAreCurrent(outputDir string, state wikiStateDocument) bool {
+	if state.Version != wikiGeneratorVersion {
+		return false
+	}
 	if state.Pages <= 0 {
 		return false
 	}
diff --git a/internal/topdata/wiki_native_test.go b/internal/topdata/wiki_native_test.go
index 459e2c6..21905a7 100644
--- a/internal/topdata/wiki_native_test.go
+++ b/internal/topdata/wiki_native_test.go
@@ -180,6 +180,62 @@ func TestBuildWikiRegeneratesMissingCachedPages(t *testing.T) {
 	}
 }
 
+func TestBuildWikiRegeneratesOldGeneratorCache(t *testing.T) {
+	root := testProjectRoot(t)
+	mkdirAll(t, filepath.Join(root, "topdata", "data", "skills"))
+	writeFile(t, filepath.Join(root, "topdata", "base_dialog.json"), "{}\n")
+	writeFile(t, filepath.Join(root, "topdata", "data", "skills", "base.json"), `{
+  "output": "skills.2da",
+  "columns": ["Label", "Name", "Description", "HideFromLevelUp", "Untrained", "KeyAbility", "ArmorCheckPenalty", "Constant"],
+  "rows": [
+    {
+      "id": 0,
+      "key": "skills:athletics",
+      "Label": "Athletics",
+      "Name": {"tlk": {"key": "skills:athletics.name", "text": "Athletics"}},
+      "Description": {"tlk": {"key": "skills:athletics.description", "text": "Ability: Strength."}},
+      "HideFromLevelUp": "0",
+      "Untrained": "1",
+      "KeyAbility": "STR",
+      "ArmorCheckPenalty": "1",
+      "Constant": "SKILL_ATHLETICS"
+    }
+  ]
+}`+"\n")
+	writeFile(t, filepath.Join(root, "topdata", "data", "skills", "lock.json"), `{"skills:athletics":0}`+"\n")
+
+	proj := testProject(root)
+	proj.Config.TopData.ReferenceBuilder = ""
+	if _, err := BuildNative(proj, nil); err != nil {
+		t.Fatalf("BuildNative failed: %v", err)
+	}
+
+	statePath := filepath.Join(root, ".cache", "wiki", "state.json")
+	state, err := loadWikiState(statePath)
+	if err != nil {
+		t.Fatalf("read state: %v", err)
+	}
+	state.Version = "nodebb-tiptap-html-v2"
+	if err := saveWikiState(statePath, state); err != nil {
+		t.Fatalf("save old-version state: %v", err)
+	}
+
+	result, err := BuildWikiWithOptions(proj, BuildWikiOptions{}, nil)
+	if err != nil {
+		t.Fatalf("BuildWikiWithOptions failed: %v", err)
+	}
+	if result.Status != wikiGeneratedStatus {
+		t.Fatalf("expected old generator cache to regenerate, got wiki status %q", result.Status)
+	}
+	refreshed, err := loadWikiState(statePath)
+	if err != nil {
+		t.Fatalf("read refreshed state: %v", err)
+	}
+	if refreshed.Version != wikiGeneratorVersion {
+		t.Fatalf("expected refreshed generator version %q, got %q", wikiGeneratorVersion, refreshed.Version)
+	}
+}
+
 func TestRenderNodeBBManagedHTMLPreservesHeadinglessTemplateHTML(t *testing.T) {
 	source := strings.TrimSpace(`
 <p class="wiki-callout wiki-callout--status">This is generated.</p>