diff --git a/UPGRADING.md b/UPGRADING.md
index 9625f01..a0eb90e 100644
--- a/UPGRADING.md
+++ b/UPGRADING.md
@@ -1,3 +1,7 @@
+## 2.3.4
+
+- Add `class="notranslate"` to pre tags to prevent Google Translate from translating code blocks (#114)
+
 ## 2.3.3
 
 - Fix blade comments being styled as deletions (#10)
diff --git a/tests/CommonMark/CodeBlockRendererTest.php b/tests/CommonMark/CodeBlockRendererTest.php
index 0ce0119..2a3f953 100644
--- a/tests/CommonMark/CodeBlockRendererTest.php
+++ b/tests/CommonMark/CodeBlockRendererTest.php
@@ -53,7 +53,7 @@ class Foo {}
 TXT;
 
         $expected = <<<'TXT'
-<pre data-lang="php"><span class="hl-gutter ">10</span> <span class="hl-keyword">class</span> <span class="hl-type">Foo</span> {}</pre>
+<pre data-lang="php" class="notranslate"><span class="hl-gutter ">10</span> <span class="hl-keyword">class</span> <span class="hl-type">Foo</span> {}</pre>
 
 TXT;
 
@@ -79,7 +79,7 @@ public function test_commonmark_with_pre(): void
 TXT;
 
         $expected = <<<'TXT'
-<pre data-lang="php" style="color: #212121; background-color: #ffffff;"><span style="color: #D32F2F;">echo</span>;
+<pre data-lang="php" class="notranslate" style="color: #212121; background-color: #ffffff;"><span style="color: #D32F2F;">echo</span>;
 </pre>
 
 TXT;
@@ -105,7 +105,7 @@ public function test_commonmark_with_no_language(): void
 TXT;
 
         $expected = <<<'TXT'
-<pre data-lang="txt">echo;
+<pre data-lang="txt" class="notranslate">echo;
 </pre>
 
 TXT;