diff --git a/authentication/LegacyAuthQuickstart/Podfile.lock b/authentication/LegacyAuthQuickstart/Podfile.lock
index dca9ed273..88a13bed2 100644
--- a/authentication/LegacyAuthQuickstart/Podfile.lock
+++ b/authentication/LegacyAuthQuickstart/Podfile.lock
@@ -1,9 +1,9 @@
 PODS:
-  - AppAuth (1.7.6):
-    - AppAuth/Core (= 1.7.6)
-    - AppAuth/ExternalUserAgent (= 1.7.6)
-  - AppAuth/Core (1.7.6)
-  - AppAuth/ExternalUserAgent (1.7.6):
+  - AppAuth (2.0.0):
+    - AppAuth/Core (= 2.0.0)
+    - AppAuth/ExternalUserAgent (= 2.0.0)
+  - AppAuth/Core (2.0.0)
+  - AppAuth/ExternalUserAgent (2.0.0):
     - AppAuth/Core
   - AppCheckCore (11.2.0):
     - GoogleUtilities/Environment (~> 8.0)
@@ -85,10 +85,10 @@ PODS:
     - GoogleUtilities/Network (~> 8.1)
     - "GoogleUtilities/NSData+zlib (~> 8.1)"
     - nanopb (~> 3.30910.0)
-  - GoogleSignIn (8.0.0):
-    - AppAuth (< 2.0, >= 1.7.3)
+  - GoogleSignIn (9.0.0):
+    - AppAuth (~> 2.0)
     - AppCheckCore (~> 11.0)
-    - GTMAppAuth (< 5.0, >= 4.1.1)
+    - GTMAppAuth (~> 5.0)
     - GTMSessionFetcher/Core (~> 3.3)
   - GoogleUtilities/AppDelegateSwizzler (8.1.0):
     - GoogleUtilities/Environment
@@ -117,8 +117,8 @@ PODS:
   - GoogleUtilities/UserDefaults (8.1.0):
     - GoogleUtilities/Logger
     - GoogleUtilities/Privacy
-  - GTMAppAuth (4.1.1):
-    - AppAuth/Core (~> 1.7)
+  - GTMAppAuth (5.0.0):
+    - AppAuth/Core (~> 2.0)
     - GTMSessionFetcher/Core (< 4.0, >= 3.3)
   - GTMSessionFetcher/Core (3.5.0)
   - nanopb (3.30910.0):
@@ -162,7 +162,7 @@ SPEC REPOS:
     - RecaptchaInterop
 
 SPEC CHECKSUMS:
-  AppAuth: d4f13a8fe0baf391b2108511793e4b479691fb73
+  AppAuth: 1c1a8afa7e12f2ec3a294d9882dfa5ab7d3cb063
   AppCheckCore: cc8fd0a3a230ddd401f326489c99990b013f0c4f
   FBAEMKit: e34530df538b8eb8aeb53c35867715ba6c63ef0c
   FBSDKCoreKit: d3f479a69127acebb1c6aad91c1a33907bcf6c2f
@@ -178,9 +178,9 @@ SPEC CHECKSUMS:
   FirebaseInstallations: 317270fec08a5d418fdbc8429282238cab3ac843
   GoogleAdsOnDeviceConversion: 2be6297a4f048459e0ae17fad9bfd2844e10cf64
   GoogleAppMeasurement: 700dce7541804bec33db590a5c496b663fbe2539
-  GoogleSignIn: ce8c89bb9b37fb624b92e7514cc67335d1e277e4
+  GoogleSignIn: c7f09cfbc85a1abf69187be091997c317cc33b77
   GoogleUtilities: 00c88b9a86066ef77f0da2fab05f65d7768ed8e1
-  GTMAppAuth: f69bd07d68cd3b766125f7e072c45d7340dea0de
+  GTMAppAuth: 217a876b249c3c585a54fd6f73e6b58c4f5c4238
   GTMSessionFetcher: 5aea5ba6bd522a239e236100971f10cb71b96ab6
   nanopb: fad817b59e0457d11a5dfbde799381cd727c1275
   PromisesObjC: f5707f49cb48b9636751c5b2e7d227e43fba9f47
diff --git a/authentication/Podfile.lock b/authentication/Podfile.lock
index c8dd85026..ac78dccf8 100644
--- a/authentication/Podfile.lock
+++ b/authentication/Podfile.lock
@@ -1,9 +1,9 @@
 PODS:
-  - AppAuth (1.7.6):
-    - AppAuth/Core (= 1.7.6)
-    - AppAuth/ExternalUserAgent (= 1.7.6)
-  - AppAuth/Core (1.7.6)
-  - AppAuth/ExternalUserAgent (1.7.6):
+  - AppAuth (2.0.0):
+    - AppAuth/Core (= 2.0.0)
+    - AppAuth/ExternalUserAgent (= 2.0.0)
+  - AppAuth/Core (2.0.0)
+  - AppAuth/ExternalUserAgent (2.0.0):
     - AppAuth/Core
   - AppCheckCore (11.2.0):
     - GoogleUtilities/Environment (~> 8.0)
@@ -85,10 +85,10 @@ PODS:
     - GoogleUtilities/Network (~> 8.1)
     - "GoogleUtilities/NSData+zlib (~> 8.1)"
     - nanopb (~> 3.30910.0)
-  - GoogleSignIn (8.0.0):
-    - AppAuth (< 2.0, >= 1.7.3)
+  - GoogleSignIn (9.0.0):
+    - AppAuth (~> 2.0)
     - AppCheckCore (~> 11.0)
-    - GTMAppAuth (< 5.0, >= 4.1.1)
+    - GTMAppAuth (~> 5.0)
     - GTMSessionFetcher/Core (~> 3.3)
   - GoogleUtilities/AppDelegateSwizzler (8.1.0):
     - GoogleUtilities/Environment
@@ -117,8 +117,8 @@ PODS:
   - GoogleUtilities/UserDefaults (8.1.0):
     - GoogleUtilities/Logger
     - GoogleUtilities/Privacy
-  - GTMAppAuth (4.1.1):
-    - AppAuth/Core (~> 1.7)
+  - GTMAppAuth (5.0.0):
+    - AppAuth/Core (~> 2.0)
     - GTMSessionFetcher/Core (< 4.0, >= 3.3)
   - GTMSessionFetcher/Core (3.5.0)
   - nanopb (3.30910.0):
@@ -162,7 +162,7 @@ SPEC REPOS:
     - RecaptchaInterop
 
 SPEC CHECKSUMS:
-  AppAuth: d4f13a8fe0baf391b2108511793e4b479691fb73
+  AppAuth: 1c1a8afa7e12f2ec3a294d9882dfa5ab7d3cb063
   AppCheckCore: cc8fd0a3a230ddd401f326489c99990b013f0c4f
   FBAEMKit: e34530df538b8eb8aeb53c35867715ba6c63ef0c
   FBSDKCoreKit: d3f479a69127acebb1c6aad91c1a33907bcf6c2f
@@ -178,9 +178,9 @@ SPEC CHECKSUMS:
   FirebaseInstallations: 317270fec08a5d418fdbc8429282238cab3ac843
   GoogleAdsOnDeviceConversion: 2be6297a4f048459e0ae17fad9bfd2844e10cf64
   GoogleAppMeasurement: 700dce7541804bec33db590a5c496b663fbe2539
-  GoogleSignIn: ce8c89bb9b37fb624b92e7514cc67335d1e277e4
+  GoogleSignIn: c7f09cfbc85a1abf69187be091997c317cc33b77
   GoogleUtilities: 00c88b9a86066ef77f0da2fab05f65d7768ed8e1
-  GTMAppAuth: f69bd07d68cd3b766125f7e072c45d7340dea0de
+  GTMAppAuth: 217a876b249c3c585a54fd6f73e6b58c4f5c4238
   GTMSessionFetcher: 5aea5ba6bd522a239e236100971f10cb71b96ab6
   nanopb: fad817b59e0457d11a5dfbde799381cd727c1275
   PromisesObjC: f5707f49cb48b9636751c5b2e7d227e43fba9f47