diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e4f27ccd..0fa7a98f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         # normal, highest, non-dev installs
-        php-version: ['8.1', '8.2']
+        php-version: ['8.1', '8.2', '8.3', '8.4']
         dependency-versions: ['highest']
         include:
           # testing lowest PHP version with lowest dependencies
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 581ae335..046d1638 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v2.1.0
+
+- #233 Add support for PHP 8.3 and PHP 8.4 (@Kocal)
+
 ## v2.0.0
 
 - Minimum PHP version is now 8.1