diff --git a/docs/30_registry/assets/extra.css b/docs/30_registry/assets/extra.css
index e004c6e..42f1217 100644
--- a/docs/30_registry/assets/extra.css
+++ b/docs/30_registry/assets/extra.css
@@ -37,8 +37,7 @@
   text-decoration-thickness: 2px;
 }
 
-/* Keep horizontal scrollbars visible for wide tables */
-.md-typeset__scrollwrap {
+/* Keep horizontal scrollbars visible for wide tables */.md-typeset__scrollwrap {
   overflow-x: auto;
   padding-bottom: 0.3rem;
 }
@@ -259,6 +258,30 @@
   text-align: center;
 }
 
+/* ---- Version badge in header (right corner) ---- */
+.md-version-badge {
+  display: inline-flex;
+  align-items: center;
+  align-self: center;
+  margin-left: 0.4rem;
+  padding: 0.05rem 0.55rem;
+  font-size: 0.68rem;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+  line-height: 1.5;
+  white-space: nowrap;
+  color: var(--md-default-bg-color);
+  background: rgba(255, 255, 255, 0.16);
+  border: 1px solid rgba(255, 255, 255, 0.4);
+  border-radius: 2rem;
+  cursor: default;
+}
+@media screen and (max-width: 44.9375em) {
+  .md-version-badge {
+    display: none;
+  }
+}
+
 .md-typeset .resource-table-nested th:nth-child(6),
 .md-typeset .resource-table-nested td:nth-child(6) {
   width: 37%;
diff --git a/docs/30_registry/javascripts/version-badge.js b/docs/30_registry/javascripts/version-badge.js
new file mode 100644
index 0000000..8f75e99
--- /dev/null
+++ b/docs/30_registry/javascripts/version-badge.js
@@ -0,0 +1,23 @@
+(function () {
+    // ============================================================
+    // Версия документации в правом углу шапки.
+    // ПОВЫШАТЬ ВРУЧНУЮ ПРИ ИЗМЕНЕНИЯХ: v0.1 -> v0.2 -> v0.3 ...
+    // ============================================================
+    var DOCS_VERSION = 'v0.1';
+
+    function inject() {
+        var header = document.querySelector('.md-header__inner');
+        if (!header || document.querySelector('.md-version-badge')) return;
+        var badge = document.createElement('span');
+        badge.className = 'md-version-badge';
+        badge.textContent = DOCS_VERSION;
+        badge.title = 'Версия документации';
+        header.appendChild(badge);
+    }
+
+    if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', inject);
+    } else {
+        inject();
+    }
+})();
diff --git a/mkdocs.yml b/mkdocs.yml
index f40153a..de58b26 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -35,6 +35,7 @@ extra_css:
 
 extra_javascript:
   - 30_registry/javascripts/fix-slash.js
+  - 30_registry/javascripts/version-badge.js
 
 markdown_extensions:
   - md_in_html