diff --git a/src/Data/RecordedResponse.php b/src/Data/RecordedResponse.php
index 511027e0..0c524cd1 100644
--- a/src/Data/RecordedResponse.php
+++ b/src/Data/RecordedResponse.php
@@ -71,7 +71,7 @@ public static function fromResponse(Response $response): static
      */
     public function toFile(): string
     {
-        return json_encode($this, JSON_THROW_ON_ERROR);
+        return json_encode($this, JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT);
     }
 
     /**
diff --git a/tests/Unit/FixtureDataTest.php b/tests/Unit/FixtureDataTest.php
index f84238c5..c2ed998e 100644
--- a/tests/Unit/FixtureDataTest.php
+++ b/tests/Unit/FixtureDataTest.php
@@ -53,10 +53,10 @@
         ],
     ];
 
-    $fixtureData = RecordedResponse::fromFile(json_encode($data));
+    $fixtureData = RecordedResponse::fromFile(json_encode($data, JSON_PRETTY_PRINT));
 
-    $serialized = json_encode($fixtureData);
+    $serialized = json_encode($fixtureData, JSON_PRETTY_PRINT);
 
-    expect($serialized)->toEqual(json_encode($data));
+    expect($serialized)->toEqual(json_encode($data, JSON_PRETTY_PRINT));
     expect($fixtureData->toFile())->toEqual($serialized);
 });