diff --git a/src/Token/Token.php b/src/Token/Token.php
index 907ff325..5424294d 100644
--- a/src/Token/Token.php
+++ b/src/Token/Token.php
@@ -136,9 +136,17 @@ public function getRelatedToken(): ?self
         return $this->relatedToken;
     }
 
-    public function setRelatedToken(self $token): void
+    public function setRelatedToken(self $token, bool $bidirectional = false): void
     {
         $this->relatedToken = $token;
+
+        if ($bidirectional) {
+            if (null !== $token->getRelatedToken()) {
+                throw new \InvalidArgumentException('Cannot create bidirectional relationship on token with a related token.');
+            }
+
+            $token->setRelatedToken($this);
+        }
     }
 
     /**
diff --git a/src/Token/Tokenizer.php b/src/Token/Tokenizer.php
index af5bd02b..25fbb908 100644
--- a/src/Token/Tokenizer.php
+++ b/src/Token/Tokenizer.php
@@ -295,7 +295,7 @@ private function pushToken(int|string $type, string $value = '', ?Token $related
             $value,
             $relatedToken
         );
-        $relatedToken?->setRelatedToken($token);
+        $relatedToken?->setRelatedToken($token, true);
 
         if (!\in_array($type, Token::EMPTY_TOKENS, true)) {
             $this->lastNonEmptyToken = $token;
diff --git a/tests/Token/TokenTest.php b/tests/Token/TokenTest.php
index 1ea29080..f9e75eaf 100644
--- a/tests/Token/TokenTest.php
+++ b/tests/Token/TokenTest.php
@@ -22,6 +22,38 @@ public function testGetters(): void
         static::assertSame($relatedToken, $token->getRelatedToken());
     }
 
+    public function testRelatedToken(): void
+    {
+        $relatedToken = new Token(Token::PUNCTUATION_TYPE, 1, 1, 'file.twig', '[');
+        $token1 = new Token(Token::PUNCTUATION_TYPE, 1, 2, 'file.twig', ']', $relatedToken);
+
+        static::assertSame($relatedToken, $token1->getRelatedToken());
+        static::assertNull($relatedToken->getRelatedToken());
+
+        $token2 = new Token(Token::PUNCTUATION_TYPE, 1, 1, 'file.twig', '[');
+        $token2->setRelatedToken($relatedToken);
+
+        static::assertSame($relatedToken, $token2->getRelatedToken());
+        static::assertNull($relatedToken->getRelatedToken());
+
+        $token3 = new Token(Token::PUNCTUATION_TYPE, 1, 1, 'file.twig', '[');
+        $token3->setRelatedToken($relatedToken, true);
+
+        static::assertSame($relatedToken, $token3->getRelatedToken());
+        static::assertSame($token3, $relatedToken->getRelatedToken());
+
+        $token4 = new Token(Token::PUNCTUATION_TYPE, 1, 1, 'file.twig', '[');
+        $token4->setRelatedToken($relatedToken);
+
+        static::assertSame($relatedToken, $token4->getRelatedToken());
+        static::assertSame($token3, $relatedToken->getRelatedToken());
+
+        $token5 = new Token(Token::PUNCTUATION_TYPE, 1, 1, 'file.twig', '[');
+
+        $this->expectException(\InvalidArgumentException::class);
+        $token5->setRelatedToken($relatedToken, true);
+    }
+
     public function testNullValue(): void
     {
         $token = new Token(Token::EOF_TYPE, 2, 1, 'file.twig');