diff --git a/src/Integrations/Divi/Design/GlobalColorsAdapter.php b/src/Integrations/Divi/Design/GlobalColorsAdapter.php
index 54a6b43..7531f69 100644
--- a/src/Integrations/Divi/Design/GlobalColorsAdapter.php
+++ b/src/Integrations/Divi/Design/GlobalColorsAdapter.php
@@ -45,7 +45,7 @@ class GlobalColorsAdapter implements DiviAdapter
                 new Call(GlobalData::class . '::sanitize_global_colors_data', 1),
                 new Call(GlobalData::class . '::set_global_colors', 2),
             ],
-            keys: [self::OPTIONS],
+            keys: [self::OPTIONS, 'et_theme_options'],
             features: [DiviFeature::ColorWrite]
         );
     }
@@ -83,6 +83,8 @@ class GlobalColorsAdapter implements DiviAdapter
             throw new RuntimeException('global colors refused: Divi dropped ' . implode(', ', $dropped));
         }
 
+        // Audit L5: set_global_colors() ends in et_update_option(), which writes Divi's request global back whole.
+        $GLOBALS['et_theme_options'] = get_option('et_divi');
         GlobalData::set_global_colors($clean, ! $replace);
     }
 }
diff --git a/src/Integrations/Divi/Design/ThemeOptionsAdapter.php b/src/Integrations/Divi/Design/ThemeOptionsAdapter.php
index 837ad82..2c8d43c 100644
--- a/src/Integrations/Divi/Design/ThemeOptionsAdapter.php
+++ b/src/Integrations/Divi/Design/ThemeOptionsAdapter.php
@@ -21,9 +21,9 @@ defined('ABSPATH') || exit;
  * them raw from get_option('et_divi'), sends a value through the customizer's own sanitizer of its setting, and
  * writes the way a customizer save ends – et_update_option()/et_delete_option() per key, then the static CSS and the
  * builder caches (research A.2/A.3). Limits (W13): et_update_option() writes the whole et_divi array from Divi's
- * request global, so a change another process made after this request loaded it is lost; design_rev and the lock of
- * the pipeline narrow that window. remove_static_resources() does nothing without a logged-in user. Not final so the
- * theme option area can be tested with a mock.
+ * request global; write() reloads it from et_divi first, under the lock colors and theme options share (audit L5), so
+ * only Divi's own saves can still race it. remove_static_resources() does nothing without a logged-in user. Not
+ * final so the theme option area can be tested with a mock.
  */
 class ThemeOptionsAdapter implements DiviAdapter
 {
@@ -74,7 +74,7 @@ class ThemeOptionsAdapter implements DiviAdapter
                 new Call('et_pb_force_regenerate_templates', 0),
                 new Call('et_pb_is_allowed', 1),
             ],
-            keys: [self::OPTIONS],
+            keys: [self::OPTIONS, 'et_theme_options'],
             mirrors: [
                 // shortcut: the fingerprint covers the whole customizer function (about 4,000 lines) and changes with
                 // every customizer edit; switch to a narrower excerpt when it fires too often.
@@ -150,6 +150,9 @@ class ThemeOptionsAdapter implements DiviAdapter
             throw new InvalidArgumentException('not a theme option of the whitelist: ' . implode(', ', $unknown));
         }
 
+        // Audit L5: et_update_option() writes Divi's request global back whole; under the shared et_divi lock reload
+        // it so another writer's change (colors) made since this request began is not reverted.
+        $GLOBALS['et_theme_options'] = get_option('et_divi');
         foreach ($set as $key => $value) {
             et_update_option($key, $value);
         }
diff --git a/tests/Unit/Integrations/Divi/Design/GlobalColorsAdapterTest.php b/tests/Unit/Integrations/Divi/Design/GlobalColorsAdapterTest.php
index 40a57e2..0396f3e 100644
--- a/tests/Unit/Integrations/Divi/Design/GlobalColorsAdapterTest.php
+++ b/tests/Unit/Integrations/Divi/Design/GlobalColorsAdapterTest.php
@@ -39,7 +39,7 @@ final class GlobalColorsAdapterTest extends TestCase
             array_map(static fn (Call $call): string => $call->label(), $manifest->calls)
         );
         self::assertSame([0, 1, 2], array_map(static fn (Call $call): ?int => $call->args, $manifest->calls));
-        self::assertSame(['et_divi'], $manifest->keys);
+        self::assertSame(['et_divi', 'et_theme_options'], $manifest->keys);
         self::assertSame([DiviFeature::ColorWrite], $manifest->features);
     }
 
@@ -94,11 +94,21 @@ final class GlobalColorsAdapterTest extends TestCase
         $divi = Mockery::mock('alias:' . self::GLOBAL_DATA);
         $divi->expects('sanitize_global_colors_data')->twice()->with($entries)->andReturn($clean);
         // Normal write: merge ("already sanitized" = true); restore: replace all (false).
-        $divi->expects('set_global_colors')->once()->with($clean, true)->ordered();
+        // Audit L5: Divi's request global is reloaded from et_divi before the write.
+        $GLOBALS['et_theme_options'] = ['stale' => true];
+        Functions\when('get_option')->alias(static fn (string $name): mixed => $name === 'et_divi' ? ['fresh' => 1] : false);
+        $seen = [];
+        $divi->expects('set_global_colors')->once()->with($clean, true)->ordered()
+            ->andReturnUsing(static function () use (&$seen): void {
+                $seen[] = $GLOBALS['et_theme_options'];
+            });
         $divi->expects('set_global_colors')->once()->with($clean, false)->ordered();
 
         (new GlobalColorsAdapter())->save($entries, false);
         (new GlobalColorsAdapter())->save($entries, true);
+
+        self::assertSame([['fresh' => 1]], $seen);
+        unset($GLOBALS['et_theme_options']);
     }
 
     /** @runInSeparateProcess */
diff --git a/tests/Unit/Integrations/Divi/Design/ThemeOptionsAdapterTest.php b/tests/Unit/Integrations/Divi/Design/ThemeOptionsAdapterTest.php
index 951151e..16fa270 100644
--- a/tests/Unit/Integrations/Divi/Design/ThemeOptionsAdapterTest.php
+++ b/tests/Unit/Integrations/Divi/Design/ThemeOptionsAdapterTest.php
@@ -54,7 +54,7 @@ final class ThemeOptionsAdapterTest extends TestCase
             [1, 1, 1, 1, 1, 2, 1, 2, 0, 1],
             array_map(static fn (Call $call): ?int => $call->args, $manifest->calls)
         );
-        self::assertSame(['et_divi'], $manifest->keys);
+        self::assertSame(['et_divi', 'et_theme_options'], $manifest->keys);
         self::assertSame([DiviFeature::ThemeOptionWrite], $manifest->features);
 
         self::assertCount(1, $manifest->mirrors);
@@ -196,6 +196,18 @@ final class ThemeOptionsAdapterTest extends TestCase
             $log[] = 'regenerate templates after ' . count(\ET_Core_PageResource::$removed) . ' static CSS clear';
         });
         \ET_Core_PageResource::$removed = [];
+        // Audit L5: Divi's request global may be stale; et_update_option() writes it back whole.
+        $GLOBALS['et_theme_options'] = ['stale' => true];
+        $seen = [];
+        Functions\when('et_update_option')->alias(static function (string $key, mixed $value) use (
+            &$stored,
+            &$log,
+            &$seen
+        ): void {
+            $seen[] = $GLOBALS['et_theme_options'];
+            $stored[$key] = $value;
+            $log[] = 'update ' . $key;
+        });
 
         $result = (new ThemeOptionsAdapter())->write(
             ['body_font_size' => 16, 'body_font_height' => 1.8],
@@ -211,6 +223,12 @@ final class ThemeOptionsAdapterTest extends TestCase
             $log
         );
         self::assertSame([['all', 'all', false]], \ET_Core_PageResource::$removed, 'like a customizer save');
+        self::assertSame(
+            ['body_font_size' => 14, 'heading_font' => 'Roboto', 'accent_color' => '#ff0000'],
+            $seen[0],
+            'et_theme_options is reloaded from et_divi before the first write'
+        );
+        unset($GLOBALS['et_theme_options']);
         self::assertSame('#ff0000', $stored['accent_color'], 'other theme options stay');
     }