diff --git a/packages/autocomplete/src/autocomplete.vue b/packages/autocomplete/src/autocomplete.vue
index afe0fc6cc..d35273a03 100644
--- a/packages/autocomplete/src/autocomplete.vue
+++ b/packages/autocomplete/src/autocomplete.vue
@@ -10,8 +10,8 @@
       @change="handleChange"
       @focus="handleFocus"
       @blur="handleBlur"
-      @keydown.up.native="highlight(highlightedIndex - 1)"
-      @keydown.down.native="highlight(highlightedIndex + 1)"
+      @keydown.up.native.prevent="highlight(highlightedIndex - 1)"
+      @keydown.down.native.prevent="highlight(highlightedIndex + 1)"
       @keydown.enter.stop.native="handleKeyEnter"
     >
       <template slot="prepend" v-if="$slots.prepend">
diff --git a/yarn.lock b/yarn.lock
index bb7bd06dc..4c9501e2d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4600,7 +4600,7 @@ object-assign@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-3.0.0.tgz#9bedd5ca0897949bca47e7ff408062d549f587f2"
 
-object-assign@^4.0.0, object-assign@^4.0.1, object-assign@^4.1.0:
+object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
 
@@ -6908,7 +6908,7 @@ vue-hot-reload-api@^2.0.1:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/vue-hot-reload-api/-/vue-hot-reload-api-2.0.6.tgz#817d4bfb30f55428aa1012d029499e07f3147d21"
 
-vue-loader@>=9.4.2, vue-loader@^10.0.2:
+vue-loader@>=9.4.2, vue-loader@^10.3.0:
   version "10.3.0"
   resolved "https://registry.yarnpkg.com/vue-loader/-/vue-loader-10.3.0.tgz#436421736e9ad0f1c481330327c376963db86a19"
   dependencies:
@@ -6938,12 +6938,6 @@ vue-router@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-2.1.1.tgz#10c31bbdcb6da92bd3e0223fa12345e73018625a"
 
-vue-style-loader@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-1.0.0.tgz#abeb7bd0f46313083741244d3079d4f14449e049"
-  dependencies:
-    loader-utils "^0.2.7"
-
 vue-style-loader@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-2.0.0.tgz#1a3bb55239ac541ee3af0301d66f16fc86786543"