diff --git a/.travis.yml b/.travis.yml
index c5ba014..f72ee24 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,6 @@ env:
     - COMPOSER_FLAGS=""
 
 php:
-    - 7.1
     - 7.2
     - 7.3
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index eeaa071..f7f44df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to `laravel-schemaless-attributes` will be documented in this file
 
+## 1.4.0 - 2019-02-27
+
+- drop support for PHP 7.1
+
 ## 1.3.1 - 2019-02-01
 
 - use Arr:: and Str:: functions
diff --git a/composer.json b/composer.json
index 2fff9d6..0e89061 100644
--- a/composer.json
+++ b/composer.json
@@ -16,14 +16,14 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.2",
         "illuminate/database": "^5.6",
         "illuminate/support": "^5.6"
     },
     "require-dev": {
         "larapack/dd": "^1.0",
         "orchestra/testbench": "^3.6",
-        "phpunit/phpunit": "^7.0"
+        "phpunit/phpunit": "^8.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/tests/HasSchemalessAttributesTest.php b/tests/HasSchemalessAttributesTest.php
index e51d210..89a3080 100644
--- a/tests/HasSchemalessAttributesTest.php
+++ b/tests/HasSchemalessAttributesTest.php
@@ -9,7 +9,7 @@ class HasSchemalessAttributesTest extends TestCase
     /** @var \Spatie\SchemalessAttributes\Tests\TestModel */
     protected $testModel;
 
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
 
diff --git a/tests/TestCase.php b/tests/TestCase.php
index f12bf28..5c824d6 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -9,7 +9,7 @@
 
 abstract class TestCase extends Orchestra
 {
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();