diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5cb22817..ade0b772 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.1] - 2023-03-17
+### Fixed
+* JSON step: improve attempt to fix JSON string having keys without quotes.
+
 ## [1.0.0] - 2023-02-08
 
 ### Added
diff --git a/src/Steps/Json.php b/src/Steps/Json.php
index af16518f..b8f84498 100644
--- a/src/Steps/Json.php
+++ b/src/Steps/Json.php
@@ -89,18 +89,32 @@ protected function mapProperties(Dot $dot): array
      */
     protected function fixJsonString(string $jsonString): string
     {
-        return preg_replace_callback('/(\w+):/i', function ($match) {
-            $key = $match[1];
-
-            if (!str_starts_with($key, '"')) {
-                $key = '"' . $key;
-            }
-
-            if (!str_ends_with($key, '"')) {
-                $key = $key . '"';
-            }
-
-            return $key . ':';
-        }, $jsonString) ?? $jsonString;
+        return preg_replace_callback(
+            '/(?:(\w+):(\s*".+?"\s*(?:,|}))|(\w+):(\s*[^"]+?\s*(?:,|})))/i',
+            function ($match) {
+                if (count($match) === 3) {
+                    $key = $match[1];
+
+                    $value = $match[2];
+                } elseif (count($match) === 5) {
+                    $key = $match[3];
+
+                    $value = $match[4];
+                } else {
+                    return $match[0];
+                }
+
+                if (!str_starts_with($key, '"')) {
+                    $key = '"' . $key;
+                }
+
+                if (!str_ends_with($key, '"')) {
+                    $key = $key . '"';
+                }
+
+                return $key . ':' . $value;
+            },
+            $jsonString
+        ) ?? $jsonString;
     }
 }
diff --git a/tests/Steps/JsonTest.php b/tests/Steps/JsonTest.php
index a40b36ba..d501fa21 100644
--- a/tests/Steps/JsonTest.php
+++ b/tests/Steps/JsonTest.php
@@ -153,3 +153,23 @@
 
     expect($outputs[0]->get())->toBe(['foo' => 'one', 'bar' => 'two', 'baz' => 'three']);
 });
+
+it('also correctly fixes keys without quotes, even when values contain colons', function () {
+    $jsonString = <<<JSON
+        {
+            foo: "https://www.example.com",
+            bar: 2,
+            "baz": "some: thing"
+        }
+        JSON;
+
+    $outputs = helper_invokeStepWithInput(Json::get(['foo', 'bar', 'baz']), $jsonString);
+
+    expect($outputs)->toHaveCount(1);
+
+    expect($outputs[0]->get())->toBe([
+        'foo' => 'https://www.example.com',
+        'bar' => 2,
+        'baz' => 'some: thing',
+    ]);
+});