diff --git a/package-lock.json b/package-lock.json
index 33bce53..7dcb80d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1326,9 +1326,9 @@
       }
     },
     "@vuepress/plugin-back-to-top": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.8.0.tgz",
-      "integrity": "sha512-myyC4ZLT887IAaKcBBles8OHYeAfYMFSvC0CqjCBOyoBExNt6E+Xg3ksYksxrew/mNCTiwxXJvu+0o2a/8WIYA==",
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/@vuepress/plugin-back-to-top/-/plugin-back-to-top-1.8.1.tgz",
+      "integrity": "sha512-2V6SjITnm1tHmGh70pC32McwZlhTBfiFc16Bc2auNLIVREUR4PA1EUN9NZAUbtsRC23myzPLT/v2fcwt2efZVA==",
       "requires": {
         "lodash.debounce": "^4.0.8"
       }
diff --git a/package.json b/package.json
index 45f23e7..1f9aaf7 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     }
   },
   "dependencies": {
-    "@vuepress/plugin-back-to-top": "^1.8.0",
+    "@vuepress/plugin-back-to-top": "^1.8.1",
     "@vuepress/plugin-google-analytics": "^1.8.0",
     "vuepress": "^1.8.0"
   },