diff --git a/.yarn/cache/@optimizely-optimizely-sdk-npm-6.4.0-5c5f96001b-be64098a87.zip b/.yarn/cache/@optimizely-optimizely-sdk-npm-6.4.0-5c5f96001b-be64098a87.zip
new file mode 100644
index 00000000000..851ffe33597
Binary files /dev/null and b/.yarn/cache/@optimizely-optimizely-sdk-npm-6.4.0-5c5f96001b-be64098a87.zip differ
diff --git a/.yarn/cache/decompress-response-npm-7.0.0-2a21518b90-dfd216a4b2.zip b/.yarn/cache/decompress-response-npm-7.0.0-2a21518b90-dfd216a4b2.zip
new file mode 100644
index 00000000000..1dac867057f
Binary files /dev/null and b/.yarn/cache/decompress-response-npm-7.0.0-2a21518b90-dfd216a4b2.zip differ
diff --git a/.yarn/cache/mimic-response-npm-3.1.0-a4a24b4e96-7e71904761.zip b/.yarn/cache/mimic-response-npm-3.1.0-a4a24b4e96-7e71904761.zip
new file mode 100644
index 00000000000..bb6d1a174da
Binary files /dev/null and b/.yarn/cache/mimic-response-npm-3.1.0-a4a24b4e96-7e71904761.zip differ
diff --git a/.yarn/cache/uuid-npm-10.0.0-4872b46ff8-35aa606148.zip b/.yarn/cache/uuid-npm-10.0.0-4872b46ff8-35aa606148.zip
new file mode 100644
index 00000000000..4d30c105af5
Binary files /dev/null and b/.yarn/cache/uuid-npm-10.0.0-4872b46ff8-35aa606148.zip differ
diff --git a/package.json b/package.json
index 551406c8731..b33d9b38336 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "@emotion/react": "11.14.0",
     "@emotion/server": "11.11.0",
     "@emotion/styled": "11.14.1",
-    "@optimizely/optimizely-sdk": "5.4.1",
+    "@optimizely/optimizely-sdk": "6.4.0",
     "@optimizely/react-sdk": "3.3.1",
     "@tanstack/query-async-storage-persister": "5.99.2",
     "@tanstack/react-query": "5.100.10",
diff --git a/src/app/legacy/containers/PageHandlers/withOptimizelyProvider/index.tsx b/src/app/legacy/containers/PageHandlers/withOptimizelyProvider/index.tsx
index 77e9d7292a8..d5396b01e3c 100644
--- a/src/app/legacy/containers/PageHandlers/withOptimizelyProvider/index.tsx
+++ b/src/app/legacy/containers/PageHandlers/withOptimizelyProvider/index.tsx
@@ -4,7 +4,10 @@ import {
   OptimizelyProvider,
   setLogger,
 } from '@optimizely/react-sdk';
-import { enums, ListenerPayload } from '@optimizely/optimizely-sdk';
+import {
+  NOTIFICATION_TYPES,
+  ListenerPayload,
+} from '@optimizely/optimizely-sdk';
 import Cookie from 'js-cookie';
 import isLive from '#lib/utilities/isLive';
 import onClient from '#lib/utilities/onClient';
@@ -37,7 +40,7 @@ const optimizely = createInstance({
 });
 
 optimizely?.notificationCenter?.addNotificationListener(
-  enums.NOTIFICATION_TYPES.DECISION,
+  NOTIFICATION_TYPES.DECISION,
   (
     notification: ListenerPayload & {
       decisionInfo?: {
diff --git a/yarn.lock b/yarn.lock
index 16662303606..95b9aa98b63 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4419,7 +4419,36 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@optimizely/optimizely-sdk@npm:5.4.1, @optimizely/optimizely-sdk@npm:^5.4.1":
+"@optimizely/optimizely-sdk@npm:6.4.0":
+  version: 6.4.0
+  resolution: "@optimizely/optimizely-sdk@npm:6.4.0"
+  dependencies:
+    decompress-response: "npm:^7.0.0"
+    json-schema: "npm:^0.4.0"
+    murmurhash: "npm:^2.0.1"
+    uuid: "npm:^10.0.0"
+  peerDependencies:
+    "@react-native-async-storage/async-storage": ">=1.0.0 <3.0.0"
+    "@react-native-community/netinfo": ">=5.0.0 <12.0.0"
+    fast-text-encoding: ^1.0.6
+    react-native-get-random-values: ^1.11.0
+    ua-parser-js: ^1.0.38
+  peerDependenciesMeta:
+    "@react-native-async-storage/async-storage":
+      optional: true
+    "@react-native-community/netinfo":
+      optional: true
+    fast-text-encoding:
+      optional: true
+    react-native-get-random-values:
+      optional: true
+    ua-parser-js:
+      optional: true
+  checksum: 10/be64098a87483b943be3e815740b9c54ab52819eacba77a1fbf2dff60baec011c1ce45e8e166cf237ea6a0cdf2f45db4d23e6a0b8e884633e256c75a1172d133
+  languageName: node
+  linkType: hard
+
+"@optimizely/optimizely-sdk@npm:^5.4.1":
   version: 5.4.1
   resolution: "@optimizely/optimizely-sdk@npm:5.4.1"
   dependencies:
@@ -8848,6 +8877,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"decompress-response@npm:^7.0.0":
+  version: 7.0.0
+  resolution: "decompress-response@npm:7.0.0"
+  dependencies:
+    mimic-response: "npm:^3.1.0"
+  checksum: 10/dfd216a4b24c6a9840e19986e8a9ca62e0b6ae35458e4135fdb84f2ba531a03ddc6ccfdc72782a361583c7d12a59787503381bd8372bf83f849eafadbaa8629c
+  languageName: node
+  linkType: hard
+
 "dedent@npm:^0.7.0":
   version: 0.7.0
   resolution: "dedent@npm:0.7.0"
@@ -13420,6 +13458,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"mimic-response@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "mimic-response@npm:3.1.0"
+  checksum: 10/7e719047612411fe071332a7498cf0448bbe43c485c0d780046c76633a771b223ff49bd00267be122cedebb897037fdb527df72335d0d0f74724604ca70b37ad
+  languageName: node
+  linkType: hard
+
 "min-indent@npm:^1.0.0, min-indent@npm:^1.0.1":
   version: 1.0.1
   resolution: "min-indent@npm:1.0.1"
@@ -16081,7 +16126,7 @@ __metadata:
     "@happy-dom/jest-environment": "npm:20.9.0"
     "@jest/environment": "npm:30.2.0"
     "@jest/globals": "npm:30.2.0"
-    "@optimizely/optimizely-sdk": "npm:5.4.1"
+    "@optimizely/optimizely-sdk": "npm:6.4.0"
     "@optimizely/react-sdk": "npm:3.3.1"
     "@storybook/addon-a11y": "npm:10.4.1"
     "@storybook/addon-docs": "npm:10.4.1"
@@ -17749,6 +17794,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"uuid@npm:^10.0.0":
+  version: 10.0.0
+  resolution: "uuid@npm:10.0.0"
+  bin:
+    uuid: dist/bin/uuid
+  checksum: 10/35aa60614811a201ff90f8ca5e9ecb7076a75c3821e17f0f5ff72d44e36c2d35fcbc2ceee9c4ac7317f4cc41895da30e74f3885e30313bee48fda6338f250538
+  languageName: node
+  linkType: hard
+
 "uuid@npm:^8.3.2":
   version: 8.3.2
   resolution: "uuid@npm:8.3.2"