diff --git a/package.json b/package.json
index 9c01988368..8dec6511fd 100644
--- a/package.json
+++ b/package.json
@@ -239,7 +239,7 @@
     "@indutny/parallel-prettier": "3.0.0",
     "@indutny/rezip-electron": "2.0.1",
     "@napi-rs/canvas": "0.1.61",
-    "@signalapp/mock-server": "15.1.0",
+    "@signalapp/mock-server": "15.2.0",
     "@storybook/addon-a11y": "8.4.4",
     "@storybook/addon-actions": "8.4.4",
     "@storybook/addon-controls": "8.4.4",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e4ba892434..d52d9e33b4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -445,8 +445,8 @@ importers:
         specifier: 0.1.61
         version: 0.1.61
       '@signalapp/mock-server':
-        specifier: 15.1.0
-        version: 15.1.0(bufferutil@4.0.9)(utf-8-validate@5.0.10)
+        specifier: 15.2.0
+        version: 15.2.0(bufferutil@4.0.9)(utf-8-validate@5.0.10)
       '@storybook/addon-a11y':
         specifier: 8.4.4
         version: 8.4.4(storybook@8.4.4(bufferutil@4.0.9)(prettier@3.3.3)(utf-8-validate@5.0.10))
@@ -3490,8 +3490,8 @@ packages:
   '@signalapp/minimask@1.0.1':
     resolution: {integrity: sha512-QAwo0joA60urTNbW9RIz6vLKQjy+jdVtH7cvY0wD9PVooD46MAjE40MLssp4xUJrph91n2XvtJ3pbEUDrmT2AA==}
 
-  '@signalapp/mock-server@15.1.0':
-    resolution: {integrity: sha512-7tZuwkCNNB0GUEmNwGpuGVNIwRV3SgvLX60LQ44cZbW2kd9XgYDfB7ZcaIBFmPjh+2bknMzbaugNR2ilQS6NJw==}
+  '@signalapp/mock-server@15.2.0':
+    resolution: {integrity: sha512-LblOdSmv9jeR2HVOaX8kvbdw95z3+T2Pc2gxLlCriIbSo5XUd9u7NFqk7mbcphIfAb6xwchWxCIhPBglVUwnxQ==}
 
   '@signalapp/parchment-cjs@3.0.1':
     resolution: {integrity: sha512-hSBMQ1M7wE4GcC8ZeNtvpJF+DAJg3eIRRf1SiHS3I3Algav/sgJJNm6HIYm6muHuK7IJmuEjkL3ILSXgmu0RfQ==}
@@ -11855,6 +11855,16 @@ snapshots:
       prettier: 3.3.3
       rxjs: 6.6.7
 
+  '@indutny/parallel-prettier@3.0.0(prettier@3.6.2)':
+    dependencies:
+      chalk: 4.1.2
+      commander: 7.2.0
+      glob-stream: 7.0.0
+      ignore: 5.3.2
+      ora: 5.4.1
+      prettier: 3.6.2
+      rxjs: 6.6.7
+
   '@indutny/range-finder@1.3.4':
     dependencies:
       readable-stream: 4.7.0
@@ -14274,9 +14284,9 @@ snapshots:
 
   '@signalapp/minimask@1.0.1': {}
 
-  '@signalapp/mock-server@15.1.0(bufferutil@4.0.9)(utf-8-validate@5.0.10)':
+  '@signalapp/mock-server@15.2.0(bufferutil@4.0.9)(utf-8-validate@5.0.10)':
     dependencies:
-      '@indutny/parallel-prettier': 3.0.0(prettier@3.3.3)
+      '@indutny/parallel-prettier': 3.0.0(prettier@3.6.2)
       '@signalapp/libsignal-client': 0.76.7
       '@tus/file-store': 1.5.1
       '@tus/server': 1.10.2
@@ -14285,7 +14295,7 @@ snapshots:
       long: 5.2.3
       micro: 9.4.1
       microrouter: 3.1.3
-      prettier: 3.3.3
+      prettier: 3.6.2
       protobufjs: 7.3.2(patch_hash=0ae0fcb7c2b673e67231536164cc4841642d16c8a26578de4d43637e2a6f1774)
       type-fest: 4.26.1
       url-pattern: 1.0.3
diff --git a/ts/textsecure/WebAPI.preload.ts b/ts/textsecure/WebAPI.preload.ts
index 3645c905f8..f9adb72748 100644
--- a/ts/textsecure/WebAPI.preload.ts
+++ b/ts/textsecure/WebAPI.preload.ts
@@ -758,12 +758,12 @@ const CHAT_CALLS = {
 };
 
 const STORAGE_CALLS = {
-  getGroupAvatarUpload: 'v1/groups/avatar/form',
+  getGroupAvatarUpload: 'v2/groups/avatar/form',
   groupLog: 'v2/groups/logs',
-  groupJoinedAtVersion: 'v1/groups/joined_at_version',
+  groupJoinedAtVersion: 'v2/groups/joined_at_version',
   groups: 'v2/groups',
-  groupsViaLink: 'v1/groups/join/',
-  groupToken: 'v1/groups/token',
+  groupsViaLink: 'v2/groups/join/',
+  groupToken: 'v2/groups/token',
   storageManifest: 'v1/storage/manifest',
   storageModify: 'v1/storage/',
   storageRead: 'v1/storage/read',