diff --git a/.github/nightly_matrix.php b/.github/nightly_matrix.php
index 68bc8a3ee1c..d83f198133f 100644
--- a/.github/nightly_matrix.php
+++ b/.github/nightly_matrix.php
@@ -1,7 +1,8 @@
 <?php
 
 const BRANCHES = [
-    ['name' => 'master', 'ref' => 'master', 'version' => ['major' => 8, 'minor' => 4]],
+    ['name' => 'master', 'ref' => 'master', 'version' => ['major' => 8, 'minor' => 5]],
+    ['name' => 'PHP-8.4', 'ref' => 'PHP-8.4', 'version' => ['major' => 8, 'minor' => 4]],
     ['name' => 'PHP-8.3', 'ref' => 'PHP-8.3', 'version' => ['major' => 8, 'minor' => 3]],
     ['name' => 'PHP-8.2', 'ref' => 'PHP-8.2', 'version' => ['major' => 8, 'minor' => 2]],
     ['name' => 'PHP-8.1', 'ref' => 'PHP-8.1', 'version' => ['major' => 8, 'minor' => 1]],
@@ -153,7 +154,10 @@ function get_current_version(): array {
 
 $trigger = $argv[1] ?? 'schedule';
 $attempt = (int) ($argv[2] ?? 1);
-$discard_cache = ($trigger === 'schedule' && $attempt !== 1) || $trigger === 'workflow_dispatch';
+$monday = date('w', time()) === '1';
+$discard_cache = $monday
+    || ($trigger === 'schedule' && $attempt !== 1)
+    || $trigger === 'workflow_dispatch';
 if ($discard_cache) {
     @unlink(get_branch_commit_cache_file_path());
 }
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index c0c14a5dfe3..bb1755769e9 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -873,13 +873,12 @@ jobs:
           repository: php-memcached-dev/php-memcached
           path: memcached
       - name: git checkout redis
-        # Currently fails to build
-        if: false
         uses: actions/checkout@v4
         with:
           repository: phpredis/phpredis
           path: redis
       - name: git checkout xdebug
+        if: false
         uses: actions/checkout@v4
         with:
           repository: xdebug/xdebug
@@ -935,14 +934,13 @@ jobs:
           ./configure --prefix=/opt/php --with-php-config=/opt/php/bin/php-config
           make -j$(/usr/bin/nproc)
       - name: build redis
-        # Currently fails to build
-        if: false
         run: |
           cd redis
           /opt/php/bin/phpize
           ./configure --prefix=/opt/php --with-php-config=/opt/php/bin/php-config
           make -j$(/usr/bin/nproc)
       - name: build xdebug
+        if: false
         run: |
           cd xdebug
           /opt/php/bin/phpize