diff --git a/.gitignore b/.gitignore
index 7579f74..4f38912 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+.idea
 vendor
 composer.lock
diff --git a/.travis.yml b/.travis.yml
index 6270224..bf08b9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ php:
   - 7.2
   - 7.3
   - 7.4
+  - 8.0
+  - 8.1
 
 env:
   - NETTE_VERSION="^2.4"
@@ -28,14 +30,14 @@ jobs:
   include:
     - stage: QA
       name: Static Analysis
-      php: 7.4
+      php: 8.1
       env: NETTE_VERSION="^3.0"
       script:
         - vendor/bin/phpstan analyze --no-progress --no-interaction --level max src/
 
     - stage: QA
       name: Code Coverage
-      php: 7.4
+      php: 8.1
       env: NETTE_VERSION="^3.0"
       script:
         - vendor/bin/tester -p phpdbg -c tests/php.ini-unix -s --coverage coverage.xml --coverage-src src/ tests/TotpAuthenticatorTests
diff --git a/composer.json b/composer.json
index fd76f34..a29fbb1 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
 		"issues": "https://github.com/o2ps/TotpAuthenticator/issues"
 	},
 	"require": {
-		"php": "^7.2",
+		"php": ">=7.2.0 <8.2",
 		"paragonie/constant_time_encoding": "^2.0"
 	},
 	"require-dev": {