diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 1a7b472..925a7d2 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -3,7 +3,7 @@ inherit: true
 build:
     environment:
         php:
-            version: 7.2
+            version: 7.4
     tests:
         override:
             - make test
diff --git a/.travis.yml b/.travis.yml
index 79d3e51..8acb904 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,11 @@
 language: php
 matrix:
   include:
-  - php: 7.2
-    env: EXECUTE_DEPLOYMENT=true
   - php: 7.3
-    env: deps=low
+    env: EXECUTE_DEPLOYMENT=true
   - php: 7.4
+  - php: 7.4
+    env: deps=low
   fast_finish: true
 before_install:
 - phpenv config-rm xdebug.ini || echo "XDebug is not enabled"
diff --git a/Makefile b/Makefile
index bc6a906..c01fd98 100644
--- a/Makefile
+++ b/Makefile
@@ -75,7 +75,7 @@ package: tools/box
 
 	cd build/phar && \
 	  composer remove phpunit/phpunit --no-update && \
-	  composer config platform.php 7.2 && \
+	  composer config platform.php 7.3 && \
 	  composer update --no-dev -o -a
 
 	tools/box compile
@@ -97,16 +97,16 @@ tools/deptrac:
 	curl -Ls http://get.sensiolabs.de/deptrac.phar -o tools/deptrac && chmod +x tools/deptrac
 
 tools/infection: tools/infection.pubkey
-	curl -Ls https://github.com/infection/infection/releases/download/0.13.2/infection.phar -o tools/infection && chmod +x tools/infection
+	curl -Ls https://github.com/infection/infection/releases/download/0.16.1/infection.phar -o tools/infection && chmod +x tools/infection
 
 tools/infection.pubkey:
-	curl -Ls https://github.com/infection/infection/releases/download/0.13.2/infection.phar.pubkey -o tools/infection.pubkey
+	curl -Ls https://github.com/infection/infection/releases/download/0.16.1/infection.phar.pubkey -o tools/infection.pubkey
 
 tools/box:
 	curl -Ls https://github.com/humbug/box/releases/download/3.8.4/box.phar -o tools/box && chmod +x tools/box
 
 tests/phar/tools/phpunit:
-	curl -Ls https://phar.phpunit.de/phpunit-8.phar -o tests/phar/tools/phpunit && chmod +x tests/phar/tools/phpunit
+	curl -Ls https://phar.phpunit.de/phpunit-9.phar -o tests/phar/tools/phpunit && chmod +x tests/phar/tools/phpunit
 
 tests/phar/tools/phpunit.d/zalas-phpunit-doubles-extension.phar: build/zalas-phpunit-doubles-extension.phar
 	cp build/zalas-phpunit-doubles-extension.phar tests/phar/tools/phpunit.d/zalas-phpunit-doubles-extension.phar
diff --git a/README.md b/README.md
index 50a4cea..4a87424 100644
--- a/README.md
+++ b/README.md
@@ -30,8 +30,8 @@ Remember to instruct PHPUnit to load extensions in your `phpunit.xml`:
 
 ## Usage
 
-Include the `Zalas\PHPUnit\Doubles\TestCase\TestDoubles` trait to have your test doubles initialised
-in one of the supported test doubling frameworks.
+Include the `Zalas\PHPUnit\Doubles\TestCase\ProphecyTestDoubles` or `Zalas\PHPUnit\Doubles\TestCase\PHPUnitTestDoubles`
+trait to have your test doubles initialised in one of the supported test doubling frameworks.
 
 Both the type of test double and the kind of test doubling framework are taken from the property type:
 
@@ -54,11 +54,11 @@ Currently, two test doubling frameworks are supported:
 
 use PHPUnit\Framework\TestCase;
 use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\ProphecyTestDoubles;
 
 class DiscworldTest extends TestCase
 {
-    use TestDoubles;
+    use ProphecyTestDoubles;
 
     /**
      * @var Vimes|ObjectProphecy
@@ -89,11 +89,11 @@ class DiscworldTest extends TestCase
 
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\PHPUnitTestDoubles;
 
 class DiscworldTest extends TestCase
 {
-    use TestDoubles;
+    use PHPUnitTestDoubles;
 
     /**
      * @var Vimes|MockObject
diff --git a/composer.json b/composer.json
index a378fe7..9d11438 100644
--- a/composer.json
+++ b/composer.json
@@ -3,11 +3,12 @@
     "description": "Initialises test doubles in PHPUnit test cases for you",
     "type": "library",
     "require": {
-        "php": "^7.2,<8.0",
-        "phpunit/phpunit": "^8.5 || ^9.0",
+        "php": "^7.3,<8.0",
+        "phpunit/phpunit": "^9.1",
         "phpdocumentor/reflection-docblock": "^4.0.1"
     },
     "require-dev": {
+        "phpspec/prophecy-phpunit": "dev-master"
     },
     "autoload": {
         "psr-4": {
diff --git a/infection.json.dist b/infection.json.dist
index 088e1d5..6fd06dd 100644
--- a/infection.json.dist
+++ b/infection.json.dist
@@ -12,7 +12,8 @@
         "@default": true,
         "ArrayItemRemoval": {
             "ignore": [
-                "Zalas\\PHPUnit\\Doubles\\TestCase\\TestDoubles::initialiseTestDoubles"
+                "Zalas\\PHPUnit\\Doubles\\TestCase\\PHPUnitTestDoubles::initialisePHPUnitTestDoubles",
+                "Zalas\\PHPUnit\\Doubles\\TestCase\\ProphecyTestDoubles::initialiseProphecyTestDoubles"
             ]
         },
         "IdenticalEqual": false,
diff --git a/manifest.xml.in b/manifest.xml.in
index 7fccb8a..dd7e0c6 100644
--- a/manifest.xml.in
+++ b/manifest.xml.in
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <phar xmlns="https://phar.io/xml/manifest/1.0">
     <contains name="zalas/phpunit-doubles" version="@@version@@" type="extension">
-        <extension for="phpunit/phpunit" compatible="^8.0"/>
+        <extension for="phpunit/phpunit" compatible="^9.1"/>
     </contains>
 
     <copyright>
@@ -10,6 +10,6 @@
     </copyright>
 
     <requires>
-        <php version="^7.2"/>
+        <php version="^7.3"/>
     </requires>
 </phar>
diff --git a/src/TestCase/Doubler.php b/src/TestCase/Doubler.php
index 2040231..dedd2e6 100644
--- a/src/TestCase/Doubler.php
+++ b/src/TestCase/Doubler.php
@@ -23,15 +23,21 @@ class Doubler
     private $injector;
 
     /**
-     * @var array
+     * @var callable
      */
-    private $doubleFactories;
+    private $doubleFactory;
 
-    public function __construct(Extractor $extractor, Injector $injector, array $doubleFactories)
+    /**
+     * @var string
+     */
+    private $doubleType;
+
+    public function __construct(Extractor $extractor, Injector $injector, callable $doubleFactory, string $doubleType)
     {
         $this->extractor = $extractor;
         $this->injector = $injector;
-        $this->doubleFactories = $doubleFactories;
+        $this->doubleFactory = $doubleFactory;
+        $this->doubleType = $doubleType;
     }
 
     public function createDoubles(/*object */$testCase)
@@ -43,11 +49,8 @@ public function createDoubles(/*object */$testCase)
 
     private function createTestDouble(Property $property)
     {
-        $doubleType = $this->getDoubleType($property);
-        $allDoubleTypes = \array_keys($this->doubleFactories);
-
-        return $this->doubleFactories[$doubleType]($property->getTypesFiltered(function (string $type) use ($allDoubleTypes): bool {
-            return !\in_array($type, $allDoubleTypes);
+        return ($this->doubleFactory)($property->getTypesFiltered(function (string $type): bool {
+            return $type !== $this->doubleType;
         }));
     }
 
@@ -58,28 +61,12 @@ private function createTestDouble(Property $property)
      */
     private function getTestDoubleProperties(/*object */$testCase): array
     {
-        $supportedDoubles = \array_keys($this->doubleFactories);
-
-        return $this->extractor->extract($testCase, function (Property $property) use ($supportedDoubles): bool {
-            $doubleTypes = $property->getTypesFiltered(function (string $type) use ($supportedDoubles): bool {
-                return \in_array($type, $supportedDoubles);
+        return $this->extractor->extract($testCase, function (Property $property): bool {
+            $doubleTypes = $property->getTypesFiltered(function (string $type): bool {
+                return $type === $this->doubleType;
             });
 
             return \count($doubleTypes) > 0;
         });
     }
-
-    private function getDoubleType(Property $property): string
-    {
-        $supportedDoubles = \array_keys($this->doubleFactories);
-        $doubleTypes = $property->getTypesFiltered(function (string $type) use ($supportedDoubles): bool {
-            return \in_array($type, $supportedDoubles);
-        });
-
-        if (\count($doubleTypes) > 1) {
-            throw new \LogicException(\sprintf('Ambiguous test double definition for "%s": "%s".', $property->getName(), \implode('|', $property->getTypes())));
-        }
-
-        return \array_shift($doubleTypes);
-    }
 }
diff --git a/src/TestCase/PHPUnitTestDoubles.php b/src/TestCase/PHPUnitTestDoubles.php
new file mode 100644
index 0000000..f48e820
--- /dev/null
+++ b/src/TestCase/PHPUnitTestDoubles.php
@@ -0,0 +1,45 @@
+<?php
+declare(strict_types=1);
+
+namespace Zalas\PHPUnit\Doubles\TestCase;
+
+use PHPUnit\Framework\Assert;
+use PHPUnit\Framework\MockObject\MockBuilder;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Zalas\PHPUnit\Doubles\Injector\PropertyAccessInjector;
+use Zalas\PHPUnit\Doubles\PhpDocumentor\ReflectionExtractor;
+
+trait PHPUnitTestDoubles
+{
+    abstract public function getMockBuilder(string $className): MockBuilder;
+
+    /**
+     * @before
+     */
+    protected function initialisePHPUnitTestDoubles(): void
+    {
+        $doubler = new Doubler(
+            new ReflectionExtractor([TestCase::class, Assert::class]),
+            new PropertyAccessInjector(),
+            function (array $types) {
+                return $this->createTestDoubleWithPhpunit($types);
+            },
+            MockObject::class
+        );
+        $doubler->createDoubles($this);
+    }
+
+    private function createTestDoubleWithPhpunit(array $types): MockObject
+    {
+        $normalisedTypes = \array_shift($types) ?? \stdClass::class;
+
+        return $this->getMockBuilder($normalisedTypes)
+            ->disableOriginalConstructor()
+            ->disableOriginalClone()
+            ->disableArgumentCloning()
+            ->disableProxyingToOriginalMethods()
+            ->disallowMockingUnknownTypes()
+            ->getMock();
+    }
+}
diff --git a/src/TestCase/ProphecyTestDoubles.php b/src/TestCase/ProphecyTestDoubles.php
new file mode 100644
index 0000000..ab42c32
--- /dev/null
+++ b/src/TestCase/ProphecyTestDoubles.php
@@ -0,0 +1,45 @@
+<?php declare(strict_types=1);
+
+namespace Zalas\PHPUnit\Doubles\TestCase;
+
+use PHPUnit\Framework\Assert;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Prophecy\ObjectProphecy;
+use Zalas\PHPUnit\Doubles\Injector\PropertyAccessInjector;
+use Zalas\PHPUnit\Doubles\PhpDocumentor\ReflectionExtractor;
+
+trait ProphecyTestDoubles
+{
+    abstract protected function prophesize(?string $classOrInterface = null): ObjectProphecy;
+
+    /**
+     * @before
+     */
+    protected function initialiseProphecyTestDoubles(): void
+    {
+        $doubler = new Doubler(
+            new ReflectionExtractor([TestCase::class, Assert::class]),
+            new PropertyAccessInjector(),
+            function (array $types) {
+                return $this->createTestDoubleWithProphecy($types);
+            },
+            ObjectProphecy::class
+        );
+        $doubler->createDoubles($this);
+    }
+
+    private function createTestDoubleWithProphecy(array $types): ObjectProphecy
+    {
+        $prophecy = $this->prophesize(\array_shift($types));
+
+        foreach ($types as $type) {
+            if (\interface_exists($type)) {
+                $prophecy->willImplement($type);
+            } else {
+                $prophecy->willExtend($type);
+            }
+        }
+
+        return $prophecy;
+    }
+}
diff --git a/src/TestCase/TestDoubles.php b/src/TestCase/TestDoubles.php
index 08f0088..9f65fbd 100644
--- a/src/TestCase/TestDoubles.php
+++ b/src/TestCase/TestDoubles.php
@@ -3,65 +3,11 @@
 
 namespace Zalas\PHPUnit\Doubles\TestCase;
 
-use PHPUnit\Framework\Assert;
-use PHPUnit\Framework\MockObject\MockBuilder;
-use PHPUnit\Framework\MockObject\MockObject;
-use PHPUnit\Framework\TestCase;
-use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\Injector\PropertyAccessInjector;
-use Zalas\PHPUnit\Doubles\PhpDocumentor\ReflectionExtractor;
-
+/**
+ * @deprecated use one of the replacement traits: ProphecyTestDoubles, PHPUnitTestDoubles.
+ */
 trait TestDoubles
 {
-    abstract public function getMockBuilder(string $className): MockBuilder;
-
-    abstract protected function prophesize(?string $classOrInterface = null): ObjectProphecy;
-
-    /**
-     * @before
-     */
-    protected function initialiseTestDoubles(): void
-    {
-        $doubler = new Doubler(
-            new ReflectionExtractor([TestCase::class, Assert::class]),
-            new PropertyAccessInjector(),
-            [
-                ObjectProphecy::class => function (array $types) {
-                    return $this->createTestDoubleWithProphecy($types);
-                },
-                MockObject::class => function (array $types) {
-                    return $this->createTestDoubleWithPhpunit($types);
-                },
-            ]
-        );
-        $doubler->createDoubles($this);
-    }
-
-    private function createTestDoubleWithProphecy(array $types): ObjectProphecy
-    {
-        $prophecy = $this->prophesize(\array_shift($types));
-
-        foreach ($types as $type) {
-            if (\interface_exists($type)) {
-                $prophecy->willImplement($type);
-            } else {
-                $prophecy->willExtend($type);
-            }
-        }
-
-        return $prophecy;
-    }
-
-    private function createTestDoubleWithPhpunit(array $types): MockObject
-    {
-        $normalisedTypes = \array_shift($types) ?? \stdClass::class;
-
-        return $this->getMockBuilder($normalisedTypes)
-            ->disableOriginalConstructor()
-            ->disableOriginalClone()
-            ->disableArgumentCloning()
-            ->disableProxyingToOriginalMethods()
-            ->disallowMockingUnknownTypes()
-            ->getMock();
-    }
+    use ProphecyTestDoubles;
+    use PHPUnitTestDoubles;
 }
diff --git a/tests/TestCase/TestDoubles/AmbiguousDouble/AmbiguousDoubleRunner.php b/tests/TestCase/TestDoubles/AmbiguousDouble/AmbiguousDoubleRunner.php
deleted file mode 100644
index 2df9a7c..0000000
--- a/tests/TestCase/TestDoubles/AmbiguousDouble/AmbiguousDoubleRunner.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-declare(strict_types=1);
-
-namespace Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\AmbiguousDouble;
-
-use PHPUnit\Framework\MockObject\MockObject;
-use PHPUnit\Framework\TestCase;
-use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
-use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Vimes;
-
-class AmbiguousDoubleRunner extends TestCase
-{
-    use TestDoubles;
-
-    /**
-     * @var Vimes|ObjectProphecy|MockObject
-     */
-    private $vimes;
-
-    public function callInitialiseTestDoubles()
-    {
-        $this->initialiseTestDoubles();
-    }
-}
diff --git a/tests/TestCase/TestDoubles/AmbiguousDouble/AmbiguousDoubleTest.php b/tests/TestCase/TestDoubles/AmbiguousDouble/AmbiguousDoubleTest.php
deleted file mode 100644
index 062351d..0000000
--- a/tests/TestCase/TestDoubles/AmbiguousDouble/AmbiguousDoubleTest.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-declare(strict_types=1);
-
-namespace Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\AmbiguousDouble;
-
-use PHPUnit\Framework\TestCase;
-
-class AmbiguousDoubleTest extends TestCase
-{
-    public function test_it_throws_an_exception_if_test_double_framework_is_ambiguous()
-    {
-        $this->expectException(\LogicException::class);
-
-        (new AmbiguousDoubleRunner())->callInitialiseTestDoubles();
-    }
-}
diff --git a/tests/TestCase/TestDoubles/Inheritance/InheritanceTest.php b/tests/TestCase/TestDoubles/Inheritance/InheritanceTest.php
index 7775bf7..7207b07 100644
--- a/tests/TestCase/TestDoubles/Inheritance/InheritanceTest.php
+++ b/tests/TestCase/TestDoubles/Inheritance/InheritanceTest.php
@@ -3,14 +3,16 @@
 
 namespace Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Inheritance;
 
+use Prophecy\PhpUnit\ProphecyTrait;
 use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\ProphecyTestDoubles;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Fred;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Vimes;
 
 class InheritanceTest extends BaseTestCase
 {
-    use TestDoubles;
+    use ProphecyTrait;
+    use ProphecyTestDoubles;
     use PropertyTrait;
 
     public function test_it_initialises_parent_private_properties()
diff --git a/tests/TestCase/TestDoubles/MissingType/PhpunitTest.php b/tests/TestCase/TestDoubles/MissingType/PhpunitTest.php
index c493860..a533274 100644
--- a/tests/TestCase/TestDoubles/MissingType/PhpunitTest.php
+++ b/tests/TestCase/TestDoubles/MissingType/PhpunitTest.php
@@ -5,11 +5,11 @@
 
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\PHPUnitTestDoubles;
 
 class PhpunitTest extends TestCase
 {
-    use TestDoubles;
+    use PHPUnitTestDoubles;
 
     /**
      * @var MockObject
diff --git a/tests/TestCase/TestDoubles/MissingType/ProphecyTest.php b/tests/TestCase/TestDoubles/MissingType/ProphecyTest.php
index 90b856e..0e851cc 100644
--- a/tests/TestCase/TestDoubles/MissingType/ProphecyTest.php
+++ b/tests/TestCase/TestDoubles/MissingType/ProphecyTest.php
@@ -4,12 +4,14 @@
 namespace Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\MissingType;
 
 use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\ProphecyTestDoubles;
 
 class ProphecyTest extends TestCase
 {
-    use TestDoubles;
+    use ProphecyTrait;
+    use ProphecyTestDoubles;
 
     /**
      * @var ObjectProphecy
diff --git a/tests/TestCase/TestDoubles/NotNull/PhpunitTest.php b/tests/TestCase/TestDoubles/NotNull/PhpunitTest.php
index 8478f86..c032280 100644
--- a/tests/TestCase/TestDoubles/NotNull/PhpunitTest.php
+++ b/tests/TestCase/TestDoubles/NotNull/PhpunitTest.php
@@ -5,14 +5,14 @@
 
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\PHPUnitTestDoubles;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Copper;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Fred;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Nobby;
 
 class PhpunitTest extends TestCase
 {
-    use TestDoubles;
+    use PHPUnitTestDoubles;
 
     /**
      * @var Nobby|MockObject
diff --git a/tests/TestCase/TestDoubles/NotNull/ProphecyTest.php b/tests/TestCase/TestDoubles/NotNull/ProphecyTest.php
index e2806cd..bb2ce9f 100644
--- a/tests/TestCase/TestDoubles/NotNull/ProphecyTest.php
+++ b/tests/TestCase/TestDoubles/NotNull/ProphecyTest.php
@@ -4,15 +4,17 @@
 namespace Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\NotNull;
 
 use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\ProphecyTestDoubles;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Copper;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Fred;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Nobby;
 
 class ProphecyTest extends TestCase
 {
-    use TestDoubles;
+    use ProphecyTrait;
+    use ProphecyTestDoubles;
 
     /**
      * @var Nobby|ObjectProphecy
diff --git a/tests/TestCase/TestDoubles/PhpunitTest.php b/tests/TestCase/TestDoubles/PhpunitTest.php
index 73c26e8..39a2d39 100644
--- a/tests/TestCase/TestDoubles/PhpunitTest.php
+++ b/tests/TestCase/TestDoubles/PhpunitTest.php
@@ -5,7 +5,7 @@
 
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\PHPUnitTestDoubles;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Copper;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Death;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Discworld;
@@ -13,7 +13,7 @@
 
 class PhpunitTest extends TestCase
 {
-    use TestDoubles;
+    use PHPUnitTestDoubles;
 
     /**
      * @var Vimes|MockObject
diff --git a/tests/TestCase/TestDoubles/ProphecyTest.php b/tests/TestCase/TestDoubles/ProphecyTest.php
index 7535089..2d94f62 100644
--- a/tests/TestCase/TestDoubles/ProphecyTest.php
+++ b/tests/TestCase/TestDoubles/ProphecyTest.php
@@ -4,8 +4,9 @@
 namespace Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles;
 
 use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 use Prophecy\Prophecy\ObjectProphecy;
-use Zalas\PHPUnit\Doubles\TestCase\TestDoubles;
+use Zalas\PHPUnit\Doubles\TestCase\ProphecyTestDoubles;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Copper;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Death;
 use Zalas\PHPUnit\Doubles\Tests\TestCase\TestDoubles\Fixtures\Discworld;
@@ -16,7 +17,8 @@
 
 class ProphecyTest extends TestCase
 {
-    use TestDoubles;
+    use ProphecyTrait;
+    use ProphecyTestDoubles;
 
     /**
      * @var Vimes|ObjectProphecy
diff --git a/tests/phar/bootstrap.php b/tests/phar/bootstrap.php
index b03b359..6262000 100644
--- a/tests/phar/bootstrap.php
+++ b/tests/phar/bootstrap.php
@@ -7,6 +7,13 @@
     if (0 === \strpos($className, 'Zalas\PHPUnit\Doubles\Tests\TestCase\\TestDoubles\\')) {
         $path = \sprintf('%s/../%s.php', __DIR__, \strtr($className, ['\\' => '/', 'Zalas\PHPUnit\Doubles\Tests\\' => '']));
 
+        if (\file_exists($path)) {
+            require_once $path;
+        }
+    }
+    if (0 === \strpos($className, 'Prophecy\PhpUnit\\')) {
+        $path = \sprintf('%s/../../vendor/phpspec/prophecy-phpunit/src/%s.php', __DIR__, \strtr($className, ['\\' => '/', 'Prophecy\PhpUnit\\' => '']));
+
         if (\file_exists($path)) {
             require_once $path;
         }