diff --git a/.github/scripts/get-hugo-module.sh b/.github/scripts/get-hugo-module.sh
index e9597304..b05e88d3 100755
--- a/.github/scripts/get-hugo-module.sh
+++ b/.github/scripts/get-hugo-module.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 #sed -i "s/title = .*$/title = \"Bilberry v3 Sandbox\"/" hugo.toml
-sed -i "s/theme = .*$/theme = \"github.com\/Lednerb\/bilberry-hugo-theme\/v4\"/" hugo.toml
+sed -i "s/path = .*$/path = \"github.com\/Lednerb\/bilberry-hugo-theme\/v4\"/" hugo.toml
 hugo mod get
 
 version=$(grep -Po "(?<=v4\s)[^\s//]+" go.mod)
diff --git a/.github/workflows/hugo.yml b/.github/workflows/hugo.yml
index 35b06032..692aa23b 100644
--- a/.github/workflows/hugo.yml
+++ b/.github/workflows/hugo.yml
@@ -29,7 +29,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      HUGO_VERSION: 0.110.0
+      HUGO_VERSION: 0.125.7
     steps:
       - name: Install Hugo CLI
         run: |
diff --git a/.github/workflows/upload-data-to-algolia-index.yml b/.github/workflows/upload-data-to-algolia-index.yml
index 88a349fc..bacf6701 100644
--- a/.github/workflows/upload-data-to-algolia-index.yml
+++ b/.github/workflows/upload-data-to-algolia-index.yml
@@ -9,7 +9,7 @@ jobs:
   upload_data:
     runs-on: ubuntu-latest
     env:
-      HUGO_VERSION: 0.110.0
+      HUGO_VERSION: 0.125.7
     steps:
       - name: Install Hugo CLI
         run: |
diff --git a/content/article/open-graph-metadata-for-single-page-article-with-extra-front-matter-variables.md b/content/article/open-graph-metadata-for-single-page-article-with-extra-front-matter-variables.md
index be9d617e..e733c20b 100644
--- a/content/article/open-graph-metadata-for-single-page-article-with-extra-front-matter-variables.md
+++ b/content/article/open-graph-metadata-for-single-page-article-with-extra-front-matter-variables.md
@@ -4,7 +4,7 @@ date: 2022-12-19T19:00:00-05:00
 publishDate: 2022-12-19T20:00:00-05:00
 lastmod: 2022-12-19T21:00:00-05:00
 images: ["/img/content/article/open-graph-metadata-for-single-page-article-with-extra-front-matter-variables/thumbnail.jpg"]
-audio: "/audio/icq-remix.mp3"
+audio: ["/audio/icq-remix.mp3"]
 videos: ["/video/test_mp4_video.mp4"]
 
 categories: ["Open Graph"]
diff --git a/go.mod b/go.mod
index 3e9e8d5d..a4546f4b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/igor-baiborodine/bilberry-hugo-theme-sandbox
 
-go 1.19
+go 1.21
diff --git a/hugo.toml b/hugo.toml
index ebb17795..4811ad14 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -1,6 +1,14 @@
 title = "Bilberry v4 Sandbox"
 baseURL = "https://www.bilberry-sandbox.kiroule.com/"
-theme = "bilberry-hugo-theme/v4"
+
+[module]
+  [[module.imports]]
+    # Option 1 (recommended): adding the theme as a Hugo module
+    # path = "github.com/Lednerb/bilberry-hugo-theme/v4"
+
+    # Options 2 and 3: cloning/copying the theme files
+    path = "bilberry-hugo-theme/v4"
+
 canonifyurls = true
 
 # Generate the robots.txt file for SEO
@@ -154,14 +162,15 @@ disqusShortname = ""
     giscusCrossOrigin  = "anonymous"
 
 # customize your available languages for your multi-langual site
-# or delete the [Languages] blog to use the theme with only one supported language
-[Languages]
-  [Languages.en]
+# or delete the [languages] blog to use the theme with only one supported language
+[languages]
+  [languages.en]
     weight = 1
-  [Languages.ru]
+  [languages.ru]
     weight = 1
     title = "Черничная Песочница"
-    subtitle = "Необработанный HTML активирован!"
+    [languages.ru.params]
+      subtitle = "Необработанный HTML активирован!"
 
 [markup]
   defaultMarkdownHandler = 'goldmark'
diff --git a/netlify.toml b/netlify.toml
index 7c10020f..3517cb2a 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -3,7 +3,7 @@
   command = "hugo"
 
 [build.environment]
-  HUGO_VERSION = "0.110.0"
+  HUGO_VERSION = "0.125.7"
 
 # URL: https://bilberry-sandbox.kiroule.com/
 [context.production.environment]
diff --git a/themes/bilberry-hugo-theme b/themes/bilberry-hugo-theme
index 3b2deb26..bb0b67bf 160000
--- a/themes/bilberry-hugo-theme
+++ b/themes/bilberry-hugo-theme
@@ -1 +1 @@
-Subproject commit 3b2deb264d6b01ce490e5171e65052e8931903f2
+Subproject commit bb0b67bfa884e806432ec10e225ed94f3985a25d