diff --git a/.travis.yml b/.travis.yml
index 72e5d9c..84f8dd2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,8 @@ matrix:
       dist: bionic
     - php: 7.4
       dist: bionic
+    - php: 8.0
+      dist: bionic
 
 install:
   - travis_retry composer install --no-interaction --prefer-source
diff --git a/composer.json b/composer.json
index d3dfe46..3e3f07e 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,8 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "League\\Flysystem\\AwsS3v3\\Stub\\": "stub"
+            "League\\Flysystem\\AwsS3v3\\Stub\\": "stub",
+            "spec\\League\\Flysystem\\AwsS3v3\\": "spec"
         }
     },
     "config": {