diff --git a/package-lock.json b/package-lock.json
index cc23e29..faab3af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1152,9 +1152,9 @@
       }
     },
     "@vuepress/plugin-back-to-top": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.4.1.tgz",
-      "integrity": "sha512-EOpBordx0xD4E8e6lSywi0JHF0IQL0T3Wxbt03W5ngKa2LDKMAusmIRpLDALZ1vHN9Z2ZqYFEWePxrX4rmC9mQ==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.5.0.tgz",
+      "integrity": "sha512-CXfZEj0LefJE0u32VsGlszL6nS7k7ba/M6eLIS2V1ZUXsDECwtSxiTp51gMGVG265/hAid35Lk0ZDvv2obQgfg==",
       "requires": {
         "lodash.debounce": "^4.0.8"
       }
diff --git a/package.json b/package.json
index 159b06a..b7f07c0 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "vuepress": "^1.5.0",
-    "@vuepress/plugin-back-to-top": "^1.4.1",
+    "@vuepress/plugin-back-to-top": "^1.5.0",
     "@vuepress/plugin-medium-zoom": "^1.5.0",
     "vuepress-plugin-seo": "^0.1.2",
     "vuepress-plugin-reading-progress": "^1.0.9",