diff --git a/.github/workflows/basic.yml b/.github/workflows/basic.yml
index fb1b31a1..1bde5f0f 100644
--- a/.github/workflows/basic.yml
+++ b/.github/workflows/basic.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: [ 7.4, 8.0, 8.1, 8.2 ]
+        php-version: [ 7.4, 8.0, 8.1, 8.2, 8.3, 8.4, 8.5 ]
     steps:
       - uses: actions/checkout@v4
 
diff --git a/AGENTS.md b/AGENTS.md
index 26431fca..09946dd3 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2,7 +2,7 @@
 
 PHP client for the Crowdin API v2 and Crowdin Enterprise API v2.
 
-Supports PHP >= 7.1, so write 7.1-compatible code in `src/`: no typed properties, no constructor promotion, no `match`; document property types with `/** @var */` docblocks. CI tests on 7.4–8.2.
+Supports PHP >= 7.1, so write 7.1-compatible code in `src/`: no typed properties, no constructor promotion, no `match`; document property types with `/** @var */` docblocks. CI tests on 7.4–8.5.
 
 ## Layout