diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 224e0787..3e78ff7b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,8 +10,8 @@ jobs:
       postgres:
         image: postgres:13
         env:
-          POSTGRES_USER: 'postgres'
-          POSTGRES_HOST_AUTH_METHOD: 'trust'
+          POSTGRES_USER: "postgres"
+          POSTGRES_HOST_AUTH_METHOD: "trust"
         ports:
           - 5432:5432
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 3
@@ -19,12 +19,41 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['8.1']
+        php: ["7.4", "8.0", 8.1', "8.2", "8.3"]
         moodle-branch:
           [
-            'MOODLE_403_STABLE'
+            "MOODLE_401_STABLE",
+            "MOODLE_402_STABLE",
+            "MOODLE_403_STABLE",
+            "MOODLE_404_STABLE",
+            "main",
           ]
         database: [pgsql]
+        exclude:
+          # Exclude Moodle+PHP incompatible versions
+          # See: https://moodledev.io/general/development/policies/php
+          - moodle-branch: "MOODLE_401_STABLE"
+            php: "8.2"
+          - moodle-branch: "MOODLE_401_STABLE"
+            php: "8.3"
+          - moodle-branch: "MOODLE_402_STABLE"
+            php: "7.4"
+          - moodle-branch: "MOODLE_401_STABLE"
+            php: "8.3"
+          - moodle-branch: "MOODLE_403_STABLE"
+            php: "7.4"
+          - moodle-branch: "MOODLE_403_STABLE"
+            php: "8.3"
+          - moodle-branch: "MOODLE_404_STABLE"
+            php: "7.4"
+          - moodle-branch: "MOODLE_404_STABLE"
+            php: "8.0"
+          - moodle-branch: "main"
+        include:
+          # Only test master against latest PHP until we know which
+          # versions are supported in the next release
+          - moodle-branch: "main"
+            php: "8.3"
 
     steps:
       - name: Get branch name
@@ -103,4 +132,4 @@ jobs:
 
       - name: Behat features
         if: ${{ always() }}
-        run: moodle-plugin-ci behat --profile chrome
\ No newline at end of file
+        run: moodle-plugin-ci behat --profile chrome