diff --git a/playground/vue2-options/package.json b/playground/vue2-options/package.json
index 9cc0530..49ce9f5 100644
--- a/playground/vue2-options/package.json
+++ b/playground/vue2-options/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@vue/composition-api": "^1.7.0",
-    "vue": "2.6.14",
+    "vue": "3.0.0",
     "vue-router": "3.5.3",
     "vue-i18n": "^8",
     "vue-i18n-bridge": "^9.3.0",
diff --git a/playground/vue2/package.json b/playground/vue2/package.json
index 0fe2ebd..8ebe653 100644
--- a/playground/vue2/package.json
+++ b/playground/vue2/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@vue/composition-api": "^1.7.0",
-    "vue": "2.6.14",
+    "vue": "3.0.0",
     "vue-router": "3.5.3",
     "vue-i18n": "^8",
     "vue-i18n-bridge": "^9.3.0",