diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..2d159974
Binary files /dev/null and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index e3897102..10e3a071 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 *.phar
 composer.lock
 vendor
+.i
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 00000000..5c98b428
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 4d1d614f..17195783 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,8 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
+  - 8.0
   - hhvm
 
 matrix:
@@ -26,6 +28,10 @@ matrix:
     # Test against dev dependencies
     - php: 7.2
       env: DEPS=dev
+    - php: 7.3
+      env: DEPS=dev
+    - php: 8.0
+      env: DEPS=dev
 
 before_install:
   - if [ "$SYMFONY_VERSION" != "" ]; then composer require --no-update symfony/lts=$SYMFONY_VERSION; fi;