diff --git a/.travis.yml b/.travis.yml
index 4595318a..5edc6097 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: php
 php:
-  - 7.0
   - 7.1
   - 7.2
 before_script:
diff --git a/composer.json b/composer.json
index df733a1b..9881aaac 100644
--- a/composer.json
+++ b/composer.json
@@ -6,12 +6,12 @@
 	"prefer-stable": true,
 	"extra": {
 		"branch-alias": {
-			"dev-master": "0.9-dev"
+			"dev-master": "0.10-dev"
 		}
 	},
 	"require": {
-		"php": "~7.0",
-		"phpstan/phpstan": "^0.9",
+		"php": "~7.1",
+		"phpstan/phpstan": "^0.10",
 		"doctrine/common": "^2.7",
 		"doctrine/orm": "^2.5"
 	},
@@ -19,9 +19,9 @@
 		"consistence/coding-standard": "~0.13.0",
 		"jakub-onderka/php-parallel-lint": "^0.9.2",
 		"phing/phing": "^2.16.0",
-		"phpstan/phpstan-phpunit": "^0.9",
-		"phpstan/phpstan-strict-rules": "^0.9",
-		"phpunit/phpunit": "^6.4",
+		"phpstan/phpstan-phpunit": "^0.10",
+		"phpstan/phpstan-strict-rules": "^0.10",
+		"phpunit/phpunit": "^7.0",
 		"slevomat/coding-standard": "^2.0"
 	},
 	"autoload": {
diff --git a/src/Reflection/Doctrine/DoctrineSelectableClassReflectionExtension.php b/src/Reflection/Doctrine/DoctrineSelectableClassReflectionExtension.php
index d08ecca8..df79842f 100644
--- a/src/Reflection/Doctrine/DoctrineSelectableClassReflectionExtension.php
+++ b/src/Reflection/Doctrine/DoctrineSelectableClassReflectionExtension.php
@@ -8,7 +8,7 @@ class DoctrineSelectableClassReflectionExtension implements \PHPStan\Reflection\
 	/** @var \PHPStan\Broker\Broker */
 	private $broker;
 
-	public function setBroker(\PHPStan\Broker\Broker $broker)
+	public function setBroker(\PHPStan\Broker\Broker $broker): void
 	{
 		$this->broker = $broker;
 	}
diff --git a/tests/PHPStan/Reflection/Doctrine/DoctrineSelectableClassReflectionExtensionTest.php b/tests/PHPStan/Reflection/Doctrine/DoctrineSelectableClassReflectionExtensionTest.php
index 0e47d72d..cb162c6b 100644
--- a/tests/PHPStan/Reflection/Doctrine/DoctrineSelectableClassReflectionExtensionTest.php
+++ b/tests/PHPStan/Reflection/Doctrine/DoctrineSelectableClassReflectionExtensionTest.php
@@ -13,7 +13,7 @@ final class DoctrineSelectableClassReflectionExtensionTest extends \PHPStan\Test
 	/** @var \PHPStan\Reflection\Doctrine\DoctrineSelectableClassReflectionExtension */
 	private $extension;
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		$this->broker = $this->createBroker();
 
@@ -38,17 +38,17 @@ public function dataHasMethod(): array
 	 * @param string $method
 	 * @param bool $expectedResult
 	 */
-	public function testHasMethod(string $className, string $method, bool $expectedResult)
+	public function testHasMethod(string $className, string $method, bool $expectedResult): void
 	{
 		$classReflection = $this->broker->getClass($className);
-		$this->assertSame($expectedResult, $this->extension->hasMethod($classReflection, $method));
+		self::assertSame($expectedResult, $this->extension->hasMethod($classReflection, $method));
 	}
 
-	public function testGetMethod()
+	public function testGetMethod(): void
 	{
 		$classReflection = $this->broker->getClass(\Doctrine\Common\Collections\Collection::class);
 		$methodReflection = $this->extension->getMethod($classReflection, 'matching');
-		$this->assertSame('matching', $methodReflection->getName());
+		self::assertSame('matching', $methodReflection->getName());
 	}
 
 }
diff --git a/tests/PHPStan/Type/Doctrine/DoctrineSelectableDynamicReturnTypeExtensionTest.php b/tests/PHPStan/Type/Doctrine/DoctrineSelectableDynamicReturnTypeExtensionTest.php
index 016cc656..6800d5f3 100644
--- a/tests/PHPStan/Type/Doctrine/DoctrineSelectableDynamicReturnTypeExtensionTest.php
+++ b/tests/PHPStan/Type/Doctrine/DoctrineSelectableDynamicReturnTypeExtensionTest.php
@@ -17,7 +17,7 @@ final class DoctrineSelectableDynamicReturnTypeExtensionTest extends TestCase
 	/** @var \PHPStan\Type\Doctrine\DoctrineSelectableDynamicReturnTypeExtension */
 	private $extension;
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		$this->extension = new DoctrineSelectableDynamicReturnTypeExtension();
 	}
@@ -39,14 +39,14 @@ public function dataIsMethodSupported(): array
 	 * @param string $method
 	 * @param bool $expectedResult
 	 */
-	public function testIsMethodSupported(string $method, bool $expectedResult)
+	public function testIsMethodSupported(string $method, bool $expectedResult): void
 	{
 		$methodReflection = $this->createMock(MethodReflection::class);
 		$methodReflection->method('getName')->willReturn($method);
-		$this->assertSame($expectedResult, $this->extension->isMethodSupported($methodReflection));
+		self::assertSame($expectedResult, $this->extension->isMethodSupported($methodReflection));
 	}
 
-	public function testGetTypeFromMethodCall()
+	public function testGetTypeFromMethodCall(): void
 	{
 		$methodReflection = $this->createMock(MethodReflection::class);
 
@@ -65,8 +65,8 @@ function (): Type {
 
 		$resultType = $this->extension->getTypeFromMethodCall($methodReflection, $methodCall, $scope);
 
-		$this->assertInstanceOf(ObjectType::class, $resultType);
-		$this->assertSame(\Doctrine\Common\Collections\Collection::class, $resultType->describe());
+		self::assertInstanceOf(ObjectType::class, $resultType);
+		self::assertSame(\Doctrine\Common\Collections\Collection::class, $resultType->describe());
 	}
 
 }
diff --git a/tests/PHPStan/Type/Doctrine/EntityManagerFindDynamicReturnTypeExtensionTest.php b/tests/PHPStan/Type/Doctrine/EntityManagerFindDynamicReturnTypeExtensionTest.php
index 7761ed61..c903d19d 100644
--- a/tests/PHPStan/Type/Doctrine/EntityManagerFindDynamicReturnTypeExtensionTest.php
+++ b/tests/PHPStan/Type/Doctrine/EntityManagerFindDynamicReturnTypeExtensionTest.php
@@ -17,7 +17,7 @@ final class EntityManagerFindDynamicReturnTypeExtensionTest extends TestCase
 	/** @var \PHPStan\Type\Doctrine\EntityManagerFindDynamicReturnTypeExtension */
 	private $extension;
 
-	protected function setUp()
+	protected function setUp(): void
 	{
 		$this->extension = new EntityManagerFindDynamicReturnTypeExtension();
 	}
@@ -41,11 +41,11 @@ public function dataIsMethodSupported(): array
 	 * @param string $method
 	 * @param bool $expectedResult
 	 */
-	public function testIsMethodSupported(string $method, bool $expectedResult)
+	public function testIsMethodSupported(string $method, bool $expectedResult): void
 	{
 		$methodReflection = $this->createMock(MethodReflection::class);
 		$methodReflection->method('getName')->willReturn($method);
-		$this->assertSame($expectedResult, $this->extension->isMethodSupported($methodReflection));
+		self::assertSame($expectedResult, $this->extension->isMethodSupported($methodReflection));
 	}
 
 	/**
@@ -112,7 +112,7 @@ public function testGetTypeFromMethodCallWithClassConstFetch(
 		string $entityClassName,
 		string $method,
 		string $expectedTypeDescription
-	)
+	): void
 	{
 		$methodReflection = $this->mockMethodReflection($method);
 		$scope = $this->mockScope();
@@ -120,7 +120,7 @@ public function testGetTypeFromMethodCallWithClassConstFetch(
 
 		$resultType = $this->extension->getTypeFromMethodCall($methodReflection, $methodCall, $scope);
 
-		$this->assertSame($expectedTypeDescription, $resultType->describe());
+		self::assertSame($expectedTypeDescription, $resultType->describe());
 	}
 
 	/**
@@ -195,7 +195,7 @@ public function testGetTypeFromMethodCallWithScalarString(
 
 		$resultType = $this->extension->getTypeFromMethodCall($methodReflection, $methodCall, $scope);
 
-		$this->assertSame($expectedTypeDescription, $resultType->describe());
+		self::assertSame($expectedTypeDescription, $resultType->describe());
 	}
 
 	private function mockMethodReflection(string $method): MethodReflection