diff --git a/.travis.yml b/.travis.yml
index ee35159e..196c41c5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,4 +18,6 @@ install:
   - composer install -n
 
 script:
-  - ./vendor/bin/phpunit --coverage-text
+  - ./vendor/bin/phpunit --exclude-group permissions
+  - export phploc=~/.phpenv/versions/$(phpenv version-name)/bin/php
+  - sudo $phploc ./vendor/bin/phpunit --group permissions
diff --git a/tests/Adapters/DirectoryTest.php b/tests/Adapters/DirectoryTest.php
index e08c9a59..d4382357 100644
--- a/tests/Adapters/DirectoryTest.php
+++ b/tests/Adapters/DirectoryTest.php
@@ -129,6 +129,7 @@ public function testRemoveRecursive(LoopInterface $loop, FilesystemInterface $fi
 
     /**
      * @dataProvider filesystemProvider
+     * @group permissions
      */
     public function testChmod(LoopInterface $loop, FilesystemInterface $filesystem)
     {
@@ -152,6 +153,7 @@ public function testChmod(LoopInterface $loop, FilesystemInterface $filesystem)
 
     /**
      * @dataProvider filesystemProvider
+     * @group permissions
      */
     public function testChmodRecursive(LoopInterface $loop, FilesystemInterface $filesystem)
     {
@@ -175,6 +177,7 @@ public function testChmodRecursive(LoopInterface $loop, FilesystemInterface $fil
 
     /**
      * @dataProvider filesystemProvider
+     * @group permissions
      */
     public function testChown(LoopInterface $loop, FilesystemInterface $filesystem)
     {
@@ -196,6 +199,7 @@ public function testChown(LoopInterface $loop, FilesystemInterface $filesystem)
 
     /**
      * @dataProvider filesystemProvider
+     * @group permissions
      */
     public function testChownRecursive(LoopInterface $loop, FilesystemInterface $filesystem)
     {
diff --git a/tests/Adapters/FileTest.php b/tests/Adapters/FileTest.php
index 76da248b..541b51c8 100644
--- a/tests/Adapters/FileTest.php
+++ b/tests/Adapters/FileTest.php
@@ -205,6 +205,7 @@ public function testCopyToDirectory(LoopInterface $loop, FilesystemInterface $fi
 
     /**
      * @dataProvider filesystemProvider
+     * @group permissions
      */
     public function testChmod(LoopInterface $loop, FilesystemInterface $filesystem)
     {
@@ -222,6 +223,7 @@ public function testChmod(LoopInterface $loop, FilesystemInterface $filesystem)
 
     /**
      * @dataProvider filesystemProvider
+     * @group permissions
      */
     public function testChownUid(LoopInterface $loop, FilesystemInterface $filesystem)
     {