diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4e8fd12..412c1e0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.1', '7.2', '7.3', '7.4', '8.0']
+        php: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
 
     steps:
       - name: Checkout code
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.1', '7.2', '7.3', '7.4']
+        php: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
 
     steps:
       - name: Checkout code
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 565ec57..3f2720f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Test against PHP 8.1
+
 ### Changed
 
 ## [3.0.1] - 2021-10-20