diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2975eea..3cbda93 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
+        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5', '8.6']
 
     runs-on: ${{ matrix.operating-system }}
 
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 73462c3..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-language: php
-
-php:
-  - 7.1
-  - 7.2
-  - nightly
-
-matrix:
-  allow_failures:
-    - php: nightly
-
-install: composer install
-script: vendor/bin/phpunit