diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 663f2da..d7ef845 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [5.6, 7.0, 7.1, 7.2, 7.3, 7.4, 8.0]
+        php: [5.6, 7.0, 7.1, 7.2, 7.3, 7.4, 8.0, 8.1]
 
     steps:
     - name: Checkout code
diff --git a/composer.json b/composer.json
index a90d94b..3fb5f18 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     ],
     "minimum-stability": "RC",
     "require": {
-        "php": ">=5.6.0 <8.1",
+        "php": ">=5.6.0 <=8.1",
         "codeception/lib-innerbrowser": "^1.0",
         "codeception/codeception": "^4.0"
     },