diff --git a/projects/packages/jetpack-mu-wpcom/changelog/add-improve-upsell-notification-for-custom-styles b/projects/packages/jetpack-mu-wpcom/changelog/add-improve-upsell-notification-for-custom-styles
new file mode 100644
index 0000000000000..34b7d7d72adcc
--- /dev/null
+++ b/projects/packages/jetpack-mu-wpcom/changelog/add-improve-upsell-notification-for-custom-styles
@@ -0,0 +1,4 @@
+Significance: minor
+Type: changed
+
+Removed the option to close upsell notification for custom styles
diff --git a/projects/packages/jetpack-mu-wpcom/src/features/wpcom-global-styles/notices.js b/projects/packages/jetpack-mu-wpcom/src/features/wpcom-global-styles/notices.js
index 2740cfb6f3805..31efc641857d5 100644
--- a/projects/packages/jetpack-mu-wpcom/src/features/wpcom-global-styles/notices.js
+++ b/projects/packages/jetpack-mu-wpcom/src/features/wpcom-global-styles/notices.js
@@ -216,6 +216,7 @@ function GlobalStylesEditNotice() {
 			{
 				id: NOTICE_ID,
 				actions: actions,
+				isDismissible: false,
 			}
 		);