diff --git a/package.json b/package.json
index f7f0508..18077e2 100644
--- a/package.json
+++ b/package.json
@@ -27,15 +27,15 @@
   },
   "homepage": "https://github.com/justforuse/vue-mathjax",
   "devDependencies": {
-    "@vue/cli-plugin-babel": "~4.5.17",
-    "@vue/cli-plugin-eslint": "~4.5.17",
-    "@vue/cli-service": "~4.5.17",
-    "babel-eslint": "^10.1.0",
-    "eslint": "^6.7.2",
-    "eslint-plugin-vue": "^6.2.2",
-    "vue-template-compiler": "^2.6.11",
-    "vuepress": "^1.9.7",
-    "vuepress-plugin-demo-container": "^0.2.0"
+    "@vue/cli-plugin-babel": "4.5.18",
+    "@vue/cli-plugin-eslint": "4.5.18",
+    "@vue/cli-service": "4.5.18",
+    "babel-eslint": "10.1.0",
+    "eslint": "6.8.0",
+    "eslint-plugin-vue": "6.2.2",
+    "vue-template-compiler": "2.6.14",
+    "vuepress": "1.9.7",
+    "vuepress-plugin-demo-container": "0.2.0"
   },
   "eslintConfig": {
     "root": true,