diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7405a9..9ee32dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [Unreleased]
+
+### Fixed
+
+- PHP `8.4` deprecations
+
 ## 4.1.0 - 2023-09-17
 
 ### Added
diff --git a/src/Render.php b/src/Render.php
index 90e04e3..17dc157 100644
--- a/src/Render.php
+++ b/src/Render.php
@@ -27,7 +27,7 @@ final class Render
     private Link $link;
     private FormatPath $formatPath;
 
-    private function __construct(Link $link = null, FormatPath $formatPath = null)
+    private function __construct(?Link $link = null, ?FormatPath $formatPath = null)
     {
         $this->link = $link ?? new Link\ToFile;
         $this->formatPath = $formatPath ?? new FormatPath\FullPath;
@@ -63,7 +63,7 @@ public function __invoke(StackTrace $stack): Content
     /**
      * @psalm-pure
      */
-    public static function of(Link $link = null, FormatPath $formatPath = null): self
+    public static function of(?Link $link = null, ?FormatPath $formatPath = null): self
     {
         return new self($link, $formatPath);
     }
diff --git a/tests/ThrowableTest.php b/tests/ThrowableTest.php
index 0e131ff..0d34d43 100644
--- a/tests/ThrowableTest.php
+++ b/tests/ThrowableTest.php
@@ -5,7 +5,6 @@
 
 use Innmind\StackTrace\{
     Throwable,
-    CallFrame,
     ClassName,
     Line,
 };
@@ -30,7 +29,7 @@ public function testInterface()
         $this->assertInstanceOf(Url::class, $throwable->file());
         $this->assertSame('file://'.__FILE__, $throwable->file()->toString());
         $this->assertInstanceOf(Line::class, $throwable->line());
-        $this->assertSame(23, $throwable->line()->toInt());
+        $this->assertSame(22, $throwable->line()->toInt());
         $this->assertInstanceOf(Sequence::class, $throwable->trace());
         $this->assertCount(12, $throwable->trace());
         $this->assertSame(