diff --git a/.changeset/tired-crews-pull.md b/.changeset/tired-crews-pull.md
new file mode 100644
index 00000000000..8bcc1978d47
--- /dev/null
+++ b/.changeset/tired-crews-pull.md
@@ -0,0 +1,5 @@
+---
+'@tanstack/vue-query': patch
+---
+
+Replace deprecated isServer with environmentManager.isServer()
diff --git a/packages/vue-query/src/vueQueryPlugin.ts b/packages/vue-query/src/vueQueryPlugin.ts
index 590d994d304..5c24bac18b7 100644
--- a/packages/vue-query/src/vueQueryPlugin.ts
+++ b/packages/vue-query/src/vueQueryPlugin.ts
@@ -1,5 +1,5 @@
 import { isVue2 } from 'vue-demi'
-import { isServer } from '@tanstack/query-core'
+import { environmentManager } from '@tanstack/query-core'
 
 import { QueryClient } from './queryClient'
 import { getClientKey } from './utils'
@@ -38,7 +38,7 @@ export const VueQueryPlugin = {
       client = new QueryClient(clientConfig)
     }
 
-    if (!isServer) {
+    if (!environmentManager.isServer()) {
       client.mount()
     }