diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d4c534ca..6b48ba2f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [3.0.0-beta16](https://github.com/openeuropa/oe_theme/tree/3.0.0-beta16) (2022-09-21)
+
+[Full Changelog](https://github.com/openeuropa/oe_theme/compare/3.0.0-beta15...3.0.0-beta16)
+
+**Merged pull requests:**
+
+- EWPP-2645: Upgrade ECL version to 3.4.2. [\#1166](https://github.com/openeuropa/oe_theme/pull/1166) ([sergepavle](https://github.com/sergepavle))
+
 ## [3.0.0-beta15](https://github.com/openeuropa/oe_theme/tree/3.0.0-beta15) (2022-09-16)
 
 [Full Changelog](https://github.com/openeuropa/oe_theme/compare/3.0.0-beta14...3.0.0-beta15)
@@ -10,6 +18,7 @@
 
 **Merged pull requests:**
 
+- Prepare release 3.0.0-beta15. [\#1163](https://github.com/openeuropa/oe_theme/pull/1163) ([imanoleguskiza](https://github.com/imanoleguskiza))
 - EWPP-2594: Use selenium 4. [\#1161](https://github.com/openeuropa/oe_theme/pull/1161) ([nagyad](https://github.com/nagyad))
 - EWPP-2577: Upgrade to ECL 3.4.1 and update Text with Featured media pattern. [\#1160](https://github.com/openeuropa/oe_theme/pull/1160) ([22Alexandra](https://github.com/22Alexandra))
 - EWPP-2539: Fix hreflang attribute in file\_translation and file\_teaser patterns. [\#1159](https://github.com/openeuropa/oe_theme/pull/1159) ([sergepavle](https://github.com/sergepavle))
diff --git a/modules/oe_theme_helper/tests/src/FunctionalJavascript/InPageNavigationParagraphTest.php b/modules/oe_theme_helper/tests/src/FunctionalJavascript/InPageNavigationParagraphTest.php
index 145d2e72d..8c4c1ea5e 100644
--- a/modules/oe_theme_helper/tests/src/FunctionalJavascript/InPageNavigationParagraphTest.php
+++ b/modules/oe_theme_helper/tests/src/FunctionalJavascript/InPageNavigationParagraphTest.php
@@ -164,7 +164,7 @@ public function testInpageNavigationInParagraphContentRow(): void {
    *   The inpage navigation container.
    */
   protected function assertInPageNavigation(array $expected, NodeElement $container): void {
-    $navigation = $this->assertSession()->elementExists('css', '.ecl-col-l-3.ecl-u-z-navigation .ecl-inpage-navigation', $container);
+    $navigation = $this->assertSession()->elementExists('css', '.ecl-col-l-3 .ecl-inpage-navigation', $container);
     $inpage_nav_assert = new InPageNavigationAssert();
     $inpage_nav_assert->assertPattern($expected, $navigation->getOuterHtml());
   }
diff --git a/package.json b/package.json
index 8e2769576..2839b0b73 100644
--- a/package.json
+++ b/package.json
@@ -14,55 +14,55 @@
     "prepare": "patch-package"
   },
   "dependencies": {
-    "@ecl/builder": "3.4.1",
-    "@ecl/preset-ec": "3.4.1",
-    "@ecl/preset-eu": "3.4.1",
-    "@ecl/preset-reset": "3.4.1",
+    "@ecl/builder": "3.4.2",
+    "@ecl/preset-ec": "3.4.2",
+    "@ecl/preset-eu": "3.4.2",
+    "@ecl/preset-reset": "3.4.2",
     "@ecl/stylelint-config": "0.2.1",
-    "@ecl/theme-ec": "3.4.1",
-    "@ecl/theme-eu": "3.4.1",
-    "@ecl/twig-component-accordion": "3.4.1",
-    "@ecl/twig-component-blockquote": "3.4.1",
-    "@ecl/twig-component-breadcrumb": "3.4.1",
-    "@ecl/twig-component-button": "3.4.1",
-    "@ecl/twig-component-card": "3.4.1",
-    "@ecl/twig-component-carousel": "3.4.1",
-    "@ecl/twig-component-content-item": "3.4.1",
-    "@ecl/twig-component-datepicker": "3.4.1",
-    "@ecl/twig-component-description-list": "3.4.1",
-    "@ecl/twig-component-expandable": "3.4.1",
-    "@ecl/twig-component-fact-figures": "3.4.1",
-    "@ecl/twig-component-featured-item": "3.4.1",
-    "@ecl/twig-component-file": "3.4.1",
-    "@ecl/twig-component-gallery": "3.4.1",
-    "@ecl/twig-component-hero-banner": "3.4.1",
-    "@ecl/twig-component-icon": "3.4.1",
-    "@ecl/twig-component-inpage-navigation": "3.4.1",
-    "@ecl/twig-component-label": "3.4.1",
-    "@ecl/twig-component-language-list": "3.4.1",
-    "@ecl/twig-component-link": "3.4.1",
-    "@ecl/twig-component-list-illustration": "3.4.1",
-    "@ecl/twig-component-media-container": "3.4.1",
-    "@ecl/twig-component-menu": "3.4.1",
-    "@ecl/twig-component-message": "3.4.1",
+    "@ecl/theme-ec": "3.4.2",
+    "@ecl/theme-eu": "3.4.2",
+    "@ecl/twig-component-accordion": "3.4.2",
+    "@ecl/twig-component-blockquote": "3.4.2",
+    "@ecl/twig-component-breadcrumb": "3.4.2",
+    "@ecl/twig-component-button": "3.4.2",
+    "@ecl/twig-component-card": "3.4.2",
+    "@ecl/twig-component-carousel": "3.4.2",
+    "@ecl/twig-component-content-item": "3.4.2",
+    "@ecl/twig-component-datepicker": "3.4.2",
+    "@ecl/twig-component-description-list": "3.4.2",
+    "@ecl/twig-component-expandable": "3.4.2",
+    "@ecl/twig-component-fact-figures": "3.4.2",
+    "@ecl/twig-component-featured-item": "3.4.2",
+    "@ecl/twig-component-file": "3.4.2",
+    "@ecl/twig-component-gallery": "3.4.2",
+    "@ecl/twig-component-hero-banner": "3.4.2",
+    "@ecl/twig-component-icon": "3.4.2",
+    "@ecl/twig-component-inpage-navigation": "3.4.2",
+    "@ecl/twig-component-label": "3.4.2",
+    "@ecl/twig-component-language-list": "3.4.2",
+    "@ecl/twig-component-link": "3.4.2",
+    "@ecl/twig-component-list-illustration": "3.4.2",
+    "@ecl/twig-component-media-container": "3.4.2",
+    "@ecl/twig-component-menu": "3.4.2",
+    "@ecl/twig-component-message": "3.4.2",
     "@ecl/twig-component-navigation-list": "3.4.0",
-    "@ecl/twig-component-news-ticker": "3.4.1",
-    "@ecl/twig-component-page-banner": "3.4.1",
-    "@ecl/twig-component-page-header": "3.4.1",
-    "@ecl/twig-component-pagination": "3.4.1",
-    "@ecl/twig-component-radio": "3.4.1",
-    "@ecl/twig-component-search-form": "3.4.1",
-    "@ecl/twig-component-site-footer": "3.4.1",
-    "@ecl/twig-component-site-header": "3.4.1",
-    "@ecl/twig-component-skip-link": "3.4.1",
-    "@ecl/twig-component-social-media-follow": "3.4.1",
-    "@ecl/twig-component-social-media-share": "3.4.1",
-    "@ecl/twig-component-table": "3.4.1",
-    "@ecl/twig-component-tag": "3.4.1",
-    "@ecl/twig-component-text-input": "3.4.1",
-    "@ecl/twig-component-timeline": "3.4.1",
-    "@ecl/vanilla-utility-background": "3.4.1",
-    "@ecl/vanilla-utility-border": "3.4.1",
+    "@ecl/twig-component-news-ticker": "3.4.2",
+    "@ecl/twig-component-page-banner": "3.4.2",
+    "@ecl/twig-component-page-header": "3.4.2",
+    "@ecl/twig-component-pagination": "3.4.2",
+    "@ecl/twig-component-radio": "3.4.2",
+    "@ecl/twig-component-search-form": "3.4.2",
+    "@ecl/twig-component-site-footer": "3.4.2",
+    "@ecl/twig-component-site-header": "3.4.2",
+    "@ecl/twig-component-skip-link": "3.4.2",
+    "@ecl/twig-component-social-media-follow": "3.4.2",
+    "@ecl/twig-component-social-media-share": "3.4.2",
+    "@ecl/twig-component-table": "3.4.2",
+    "@ecl/twig-component-tag": "3.4.2",
+    "@ecl/twig-component-text-input": "3.4.2",
+    "@ecl/twig-component-timeline": "3.4.2",
+    "@ecl/vanilla-utility-background": "3.4.2",
+    "@ecl/vanilla-utility-border": "3.4.2",
     "chokidar-cli": "1.2.0",
     "grunt": "^1.4.0",
     "grunt-contrib-copy": "^1.0.0",
diff --git a/templates/paragraphs/paragraph--oe-content-row--variant-inpage_navigation.html.twig b/templates/paragraphs/paragraph--oe-content-row--variant-inpage_navigation.html.twig
index 9e61a35c0..915f66b62 100644
--- a/templates/paragraphs/paragraph--oe-content-row--variant-inpage_navigation.html.twig
+++ b/templates/paragraphs/paragraph--oe-content-row--variant-inpage_navigation.html.twig
@@ -7,7 +7,7 @@
  */
 #}
 <div class="ecl-row inpage-navigation-container">
-  <div class="ecl-col-l-3 ecl-u-z-navigation">
+  <div class="ecl-col-l-3">
     {{ inpage }}
   </div>
   <div class="ecl-col-l-9" data-inpage-navigation-source-area="h2, div.ecl-featured-item__heading">
diff --git a/tests/src/Kernel/Paragraphs/ContentRowTest.php b/tests/src/Kernel/Paragraphs/ContentRowTest.php
index 6514b0396..f6a7c21b1 100644
--- a/tests/src/Kernel/Paragraphs/ContentRowTest.php
+++ b/tests/src/Kernel/Paragraphs/ContentRowTest.php
@@ -109,7 +109,7 @@ public function testRendering(): void {
     $crawler = new Crawler($this->renderParagraph($paragraph));
 
     // Verify the layout.
-    $left_column = $crawler->filter('.ecl-row .ecl-col-l-3.ecl-u-z-navigation');
+    $left_column = $crawler->filter('.ecl-row .ecl-col-l-3');
     $right_column = $crawler->filter('.ecl-row .ecl-col-l-9');
     $this->assertCount(1, $left_column);
     $this->assertCount(1, $right_column);
@@ -131,7 +131,7 @@ public function testRendering(): void {
     $crawler = new Crawler($this->renderParagraph($paragraph, 'en'));
 
     // Assert that side-menu is correctly rendered with the default title.
-    $left_column = $crawler->filter('.ecl-row .ecl-col-l-3.ecl-u-z-navigation');
+    $left_column = $crawler->filter('.ecl-row .ecl-col-l-3');
     $this->assertStringContainsString('Page contents', $left_column->html());
 
     // The actual inpage navigation links are tested in the