diff --git a/.github/workflows/reusable-phpunit-test.yml b/.github/workflows/reusable-phpunit-test.yml
index cf23be58f2bc..d9770814d601 100644
--- a/.github/workflows/reusable-phpunit-test.yml
+++ b/.github/workflows/reusable-phpunit-test.yml
@@ -209,6 +209,7 @@ jobs:
           DB: ${{ inputs.db-platform }}
           TACHYCARDIA_MONITOR_GA: ${{ inputs.enable-profiling && 'enabled' || '' }}
           TERM: xterm-256color
+        continue-on-error: ${{ inputs.php-version == '8.5' }}
 
       - name: Upload coverage results as artifact
         if: ${{ inputs.enable-artifact-upload }}
diff --git a/.github/workflows/test-coding-standards.yml b/.github/workflows/test-coding-standards.yml
index c49fd416ea8e..bf2414c67053 100644
--- a/.github/workflows/test-coding-standards.yml
+++ b/.github/workflows/test-coding-standards.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         php-version:
           - '8.1'
-          - '8.4'
+          - '8.5'
 
     steps:
       - name: Checkout base branch for PR
diff --git a/.github/workflows/test-phpunit.yml b/.github/workflows/test-phpunit.yml
index 62a8ab0e4338..045570cb27ad 100644
--- a/.github/workflows/test-phpunit.yml
+++ b/.github/workflows/test-phpunit.yml
@@ -60,6 +60,9 @@ jobs:
           - '8.2'
           - '8.3'
           - '8.4'
+        include:
+          - php-version: '8.5'
+            composer-option: '--ignore-platform-req=php'
 
     uses: ./.github/workflows/reusable-phpunit-test.yml # @TODO Extract to codeigniter4/.github repo
     with:
@@ -87,6 +90,7 @@ jobs:
           - '8.2'
           - '8.3'
           - '8.4'
+          - '8.5'
         db-platform:
           - MySQLi
           - OCI8
@@ -99,6 +103,8 @@ jobs:
           - php-version: '8.1'
             db-platform: MySQLi
             mysql-version: '5.7'
+          - php-version: '8.5'
+            composer-option: '--ignore-platform-req=php'
 
     uses: ./.github/workflows/reusable-phpunit-test.yml # @TODO Extract to codeigniter4/.github repo
     with:
@@ -127,6 +133,9 @@ jobs:
           - '8.2'
           - '8.3'
           - '8.4'
+        include:
+          - php-version: '8.5'
+            composer-option: '--ignore-platform-req=php'
 
     uses: ./.github/workflows/reusable-phpunit-test.yml # @TODO Extract to codeigniter4/.github repo
     with:
@@ -153,6 +162,9 @@ jobs:
           - '8.2'
           - '8.3'
           - '8.4'
+        include:
+          - php-version: '8.5'
+            composer-option: '--ignore-platform-req=php'
 
     uses: ./.github/workflows/reusable-phpunit-test.yml # @TODO Extract to codeigniter4/.github repo
     with:
diff --git a/.github/workflows/test-rector.yml b/.github/workflows/test-rector.yml
index f1a81bd170bf..37a9cd183b70 100644
--- a/.github/workflows/test-rector.yml
+++ b/.github/workflows/test-rector.yml
@@ -45,7 +45,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.1', '8.4']
+        php-versions: ['8.1', '8.5']
     steps:
       - name: Checkout base branch for PR
         if: github.event_name == 'pull_request'
diff --git a/composer.json b/composer.json
index 64253d857046..3b6164a0c8d2 100644
--- a/composer.json
+++ b/composer.json
@@ -89,7 +89,7 @@
             "CodeIgniter\\ComposerScripts::postUpdate"
         ],
         "post-autoload-dump": [
-            "@composer update --ansi --working-dir=utils"
+            "@composer update --ansi --working-dir=utils --ignore-platform-req=php"
         ],
         "analyze": [
             "Composer\\Config::disableProcessTimeout",