diff --git a/app/scripts/constants/sentry-state.ts b/app/scripts/constants/sentry-state.ts
index ab53ffb3f22d..d74c9a50a05b 100644
--- a/app/scripts/constants/sentry-state.ts
+++ b/app/scripts/constants/sentry-state.ts
@@ -401,6 +401,7 @@ export const SENTRY_BACKGROUND_STATE = {
     isProfileSyncingUpdateLoading: false,
     hasAccountSyncingSyncedAtLeastOnce: false,
     isAccountSyncingReadyToBeDispatched: false,
+    isAccountSyncingInProgress: false,
   },
   ///: BEGIN:ONLY_INCLUDE_IF(build-mmi)
   ...MMI_SENTRY_BACKGROUND_STATE,
diff --git a/package.json b/package.json
index 0cc3222a7d1d..28d83127ddaf 100644
--- a/package.json
+++ b/package.json
@@ -332,7 +332,7 @@
     "@metamask/post-message-stream": "^8.0.0",
     "@metamask/ppom-validator": "0.36.0",
     "@metamask/preinstalled-example-snap": "^0.2.0",
-    "@metamask/profile-sync-controller": "^3.1.1",
+    "@metamask/profile-sync-controller": "npm:@metamask-previews/profile-sync-controller@3.1.1-preview-e218ba33",
     "@metamask/providers": "^18.2.0",
     "@metamask/queued-request-controller": "^7.0.1",
     "@metamask/rate-limit-controller": "^6.0.0",
diff --git a/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-background-state.json b/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-background-state.json
index cae1a6ae8951..914394fc9c66 100644
--- a/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-background-state.json
+++ b/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-background-state.json
@@ -355,6 +355,7 @@
     "isProfileSyncingEnabled": null,
     "isProfileSyncingUpdateLoading": "boolean",
     "hasAccountSyncingSyncedAtLeastOnce": "boolean",
-    "isAccountSyncingReadyToBeDispatched": "boolean"
+    "isAccountSyncingReadyToBeDispatched": "boolean",
+    "isAccountSyncingInProgress": "boolean"
   }
 }
diff --git a/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-ui-state.json b/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-ui-state.json
index a306c63c70b6..370d7571598e 100644
--- a/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-ui-state.json
+++ b/test/e2e/tests/metrics/state-snapshots/errors-after-init-opt-in-ui-state.json
@@ -223,6 +223,7 @@
     "isProfileSyncingUpdateLoading": "boolean",
     "hasAccountSyncingSyncedAtLeastOnce": "boolean",
     "isAccountSyncingReadyToBeDispatched": "boolean",
+    "isAccountSyncingInProgress": "boolean",
     "subscriptionAccountsSeen": "object",
     "isMetamaskNotificationsFeatureSeen": "boolean",
     "isNotificationServicesEnabled": "boolean",
diff --git a/test/integration/notifications&auth/data/notification-state.ts b/test/integration/notifications&auth/data/notification-state.ts
index 61d74d161671..0979ebf4643d 100644
--- a/test/integration/notifications&auth/data/notification-state.ts
+++ b/test/integration/notifications&auth/data/notification-state.ts
@@ -39,6 +39,7 @@ export const getMockedNotificationsState = () => {
     isProfileSyncingEnabled: true,
     isProfileSyncingUpdateLoading: false,
     hasAccountSyncingSyncedAtLeastOnce: false,
+    isAccountSyncingInProgress: false,
     isAccountSyncingReadyToBeDispatched: false,
     isMetamaskNotificationsFeatureSeen: true,
     isNotificationServicesEnabled: true,
diff --git a/ui/selectors/identity/profile-syncing.test.ts b/ui/selectors/identity/profile-syncing.test.ts
index d05512e59523..74d4a31984f9 100644
--- a/ui/selectors/identity/profile-syncing.test.ts
+++ b/ui/selectors/identity/profile-syncing.test.ts
@@ -7,6 +7,7 @@ describe('Profile Syncing Selectors', () => {
       isProfileSyncingUpdateLoading: false,
       isAccountSyncingReadyToBeDispatched: false,
       hasAccountSyncingSyncedAtLeastOnce: false,
+      isAccountSyncingInProgress: false,
     },
   };
 
diff --git a/yarn.lock b/yarn.lock
index 033ff849acd8..0c4115843734 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6046,9 +6046,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@metamask/profile-sync-controller@npm:^3.1.1":
-  version: 3.1.1
-  resolution: "@metamask/profile-sync-controller@npm:3.1.1"
+"@metamask/profile-sync-controller@npm:@metamask-previews/profile-sync-controller@3.1.1-preview-e218ba33":
+  version: 3.1.1-preview-e218ba33
+  resolution: "@metamask-previews/profile-sync-controller@npm:3.1.1-preview-e218ba33"
   dependencies:
     "@metamask/base-controller": "npm:^7.0.2"
     "@metamask/keyring-api": "npm:^12.0.0"
@@ -6068,7 +6068,7 @@ __metadata:
     "@metamask/providers": ^18.1.0
     "@metamask/snaps-controllers": ^9.10.0
     webextension-polyfill: ^0.10.0 || ^0.11.0 || ^0.12.0
-  checksum: 10/42dd1ea0f9595eca6bd1a179681f7d16dfc6cc5090494131c8999a15caa02866f133febe1a95fca7cc74b4f3dafa7ef740f27b08eadbbf3049ebc087a739fb1b
+  checksum: 10/b58a997a48d56afb41d275b98de08d91d7fa485f27af306ae1ad0593dc8b8c23eb83f8552acb9a849a9363f49fc814b5c0932065f60e1c8f91e5e1b7b2616bc1
   languageName: node
   linkType: hard
 
@@ -26608,7 +26608,7 @@ __metadata:
     "@metamask/ppom-validator": "npm:0.36.0"
     "@metamask/preferences-controller": "npm:^15.0.1"
     "@metamask/preinstalled-example-snap": "npm:^0.2.0"
-    "@metamask/profile-sync-controller": "npm:^3.1.1"
+    "@metamask/profile-sync-controller": "npm:@metamask-previews/profile-sync-controller@3.1.1-preview-e218ba33"
     "@metamask/providers": "npm:^18.2.0"
     "@metamask/queued-request-controller": "npm:^7.0.1"
     "@metamask/rate-limit-controller": "npm:^6.0.0"