diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba4dfafae..7bb74413e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,6 +57,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
     * com.unity.postprocessing upgraded to v3.5.0
   * Netcode for GameObjects upgraded to v2.4.3
   * Multiplayer Services upgraded to v1.1.4
+* Upgraded to Authentication package v3.5.1, fixing switching profile issues (#920)
 
 ### Cleanup
 * Removed ParrelSync from the project (#890)
diff --git a/Packages/manifest.json b/Packages/manifest.json
index 44b222ab4..b83b58407 100644
--- a/Packages/manifest.json
+++ b/Packages/manifest.json
@@ -17,7 +17,7 @@
     "com.unity.performance.profile-analyzer": "1.2.3",
     "com.unity.postprocessing": "3.5.0",
     "com.unity.render-pipelines.universal": "17.0.4",
-    "com.unity.services.authentication": "3.4.1",
+    "com.unity.services.authentication": "3.5.1",
     "com.unity.services.multiplayer": "1.1.4",
     "com.unity.test-framework": "1.5.1",
     "com.unity.timeline": "1.8.8",
diff --git a/Packages/packages-lock.json b/Packages/packages-lock.json
index 1fb191874..f359c57ef 100644
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -273,19 +273,19 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.services.authentication": {
-      "version": "3.4.1",
+      "version": "3.5.1",
       "depth": 0,
       "source": "registry",
       "dependencies": {
         "com.unity.ugui": "1.0.0",
-        "com.unity.services.core": "1.14.0",
+        "com.unity.services.core": "1.15.1",
         "com.unity.nuget.newtonsoft-json": "3.2.1",
         "com.unity.modules.unitywebrequest": "1.0.0"
       },
       "url": "https://packages.unity.com"
     },
     "com.unity.services.core": {
-      "version": "1.14.0",
+      "version": "1.15.1",
       "depth": 1,
       "source": "registry",
       "dependencies": {