diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2ff1717..0601c47 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -141,8 +141,8 @@ importers:
         specifier: ^3.0.0
         version: 3.5.2
       zustand:
-        specifier: ^4.1.4
-        version: 4.5.5(@types/react@18.3.12)(react@18.3.1)
+        specifier: ^5.0.0
+        version: 5.0.8(@types/react@18.3.12)(react@18.3.1)(use-sync-external-store@1.2.2(react@18.3.1))
     devDependencies:
       '@cloudflare/workers-types':
         specifier: ^4.0.0
@@ -2688,13 +2688,14 @@ packages:
   zod@3.23.8:
     resolution: {integrity: sha512-XBx9AXhXktjUqnepgTiE5flcKIYWi/rme0Eaj+5Y0lftuGBq+jyRu/md4WnuxqgP1ubdpNCsYEYPxrzVHD8d6g==}
 
-  zustand@4.5.5:
-    resolution: {integrity: sha512-+0PALYNJNgK6hldkgDq2vLrw5f6g/jCInz52n9RTpropGgeAf/ioFUCdtsjCqu4gNhW9D01rUQBROoRjdzyn2Q==}
-    engines: {node: '>=12.7.0'}
+  zustand@5.0.8:
+    resolution: {integrity: sha512-gyPKpIaxY9XcO2vSMrLbiER7QMAMGOQZVRdJ6Zi782jkbzZygq5GI9nG8g+sMgitRtndwaBSl7uiqC49o1SSiw==}
+    engines: {node: '>=12.20.0'}
     peerDependencies:
-      '@types/react': '>=16.8'
+      '@types/react': '>=18.0.0'
       immer: '>=9.0.6'
-      react: '>=16.8'
+      react: '>=18.0.0'
+      use-sync-external-store: '>=1.2.0'
     peerDependenciesMeta:
       '@types/react':
         optional: true
@@ -2702,6 +2703,8 @@ packages:
         optional: true
       react:
         optional: true
+      use-sync-external-store:
+        optional: true
 
 snapshots:
 
@@ -4838,6 +4841,7 @@ snapshots:
   use-sync-external-store@1.2.2(react@18.3.1):
     dependencies:
       react: 18.3.1
+    optional: true
 
   utils-merge@1.0.1: {}
 
@@ -4944,9 +4948,8 @@ snapshots:
 
   zod@3.23.8: {}
 
-  zustand@4.5.5(@types/react@18.3.12)(react@18.3.1):
-    dependencies:
-      use-sync-external-store: 1.2.2(react@18.3.1)
+  zustand@5.0.8(@types/react@18.3.12)(react@18.3.1)(use-sync-external-store@1.2.2(react@18.3.1)):
     optionalDependencies:
       '@types/react': 18.3.12
       react: 18.3.1
+      use-sync-external-store: 1.2.2(react@18.3.1)
diff --git a/sdk-playground/packages/client/package.json b/sdk-playground/packages/client/package.json
index ccd5fc8..623239d 100644
--- a/sdk-playground/packages/client/package.json
+++ b/sdk-playground/packages/client/package.json
@@ -27,7 +27,7 @@
     "react-use": "^17.2.4",
     "shared": "workspace:*",
     "web-vitals": "^3.0.0",
-    "zustand": "^4.1.4"
+    "zustand": "^5.0.0"
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.0.0",