diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6ea2693d5..a31b4b47f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,11 +28,11 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-22.04"]
-        php: ["8.1", "8.2"]
+        php: ["8.1", "8.2", "8.3"]
         coverage: ["none"]
         include:
           - os: "ubuntu-22.04"
-            php: "8.1"
+            php: "8.2"
             coverage: "pcov"
           # Only test pre-installed (i.e. fast) versions of PHP on Windows.
           - os: "windows-2022"