diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index be73927..99a4016 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,32 +24,54 @@ jobs:
         experimental: [false]
 
         include:
-          # Complement the builds run via the matrix with high/low WP builds for PHP 7.4 and 8.0.
-          # PHP 8.0 is sort of supported since WP 5.6.
-          # PHP 7.4 is supported since WP 5.3.
+          # Complement the builds run via the matrix with high/low WP builds for PHP 5.6 and PHP 7.4 up to 8.3.
+          # PHP 8.3 is beta-supported since WP 6.4.
+          - php: '8.3'
+            wp: 'latest'
+            experimental: false
+          - php: '8.3'
+            wp: '6.4'
+            experimental: false
+          # PHP 8.2 is beta-supported since WP 6.1.
+          - php: '8.2'
+            wp: 'latest'
+            experimental: false
+          - php: '8.2'
+            wp: '6.1'
+            experimental: false
+          # PHP 8.1 is beta-supported since WP 5.9 (with the exception of Requests, which was updated in WP 6.2).
+          - php: '8.1'
+            wp: 'latest'
+            experimental: false
+          - php: '8.1'
+            wp: '5.9'
+            experimental: false
+          # PHP 8.0 is beta-supported since WP 5.6.
           - php: '8.0'
             wp: 'latest'
             experimental: false
           - php: '8.0'
             wp: '5.6'
             experimental: false
+          # PHP 7.4 is supported since WP 5.3.
           - php: '7.4'
             wp: 'latest'
             experimental: false
           - php: '7.4'
             wp: '5.4'
             experimental: false
-
-          # Complement the builds run via the matrix with some additional builds against specific WP versions.
-          - php: '7.3'
-            wp: '5.3'
-            experimental: false
+          # PHP 5.6 was supported up to WP 6.2.
           - php: '5.6'
-            wp: '5.5'
+            wp: '6.2'
             experimental: false
           - php: '5.6'
             wp: '5.2'
             experimental: false
+
+          # Complement the builds run via the matrix with some additional builds against specific WP versions.
+          - php: '7.3'
+            wp: '6.0'
+            experimental: false
           - php: '7.2'
             wp: '5.7'
             experimental: false
@@ -61,12 +83,6 @@ jobs:
             experimental: false
 
           # Experimental builds. These are allowed to fail.
-          - php: '8.1'
-            wp: 'trunk'
-            experimental: true
-          - php: '8.2'
-            wp: 'trunk'
-            experimental: true
           - php: '7.4'
             wp: 'trunk'
             experimental: true