diff --git a/package-lock.json b/package-lock.json
index 531cb06..d968d2e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
       "devDependencies": {
         "@vuepress/plugin-back-to-top": "1.9.5",
-        "@vuepress/plugin-medium-zoom": "1.9.5",
+        "@vuepress/plugin-medium-zoom": "1.9.7",
         "jsdom": "19.0.0",
         "markdown-it-attrs": "4.1.3",
         "pre-commit": "1.2.2",
@@ -2360,15 +2360,26 @@
       }
     },
     "node_modules/@vuepress/plugin-medium-zoom": {
-      "version": "1.9.5",
-      "resolved": "https://registry.npmjs.org/@vuepress/plugin-medium-zoom/-/plugin-medium-zoom-1.9.5.tgz",
-      "integrity": "sha512-ANHfmsPxF+lDtPHa0RlRlsfM6J5Bg2PWNfWxLGET9UxgN4tFX1cq3QLUk+yxoNIb5XFUtqEA2gR7nRc2i0Kt0Q==",
+      "version": "1.9.7",
+      "resolved": "https://registry.npmjs.org/@vuepress/plugin-medium-zoom/-/plugin-medium-zoom-1.9.7.tgz",
+      "integrity": "sha512-P00chXEEoFyQyDWiiSw1mUIdywS6vqM9jolM/3Gv3/TywqemWEm1MKMM7mLsjGiaXJbBQZE+U3/lHmzcaroYLQ==",
       "dev": true,
       "dependencies": {
-        "@vuepress/types": "1.9.5",
+        "@vuepress/types": "1.9.7",
         "medium-zoom": "^1.0.4"
       }
     },
+    "node_modules/@vuepress/plugin-medium-zoom/node_modules/@vuepress/types": {
+      "version": "1.9.7",
+      "resolved": "https://registry.npmjs.org/@vuepress/types/-/types-1.9.7.tgz",
+      "integrity": "sha512-moLQzkX3ED2o18dimLemUm7UVDKxhcrJmGt5C0Ng3xxrLPaQu7UqbROtEKB3YnMRt4P/CA91J+Ck+b9LmGabog==",
+      "dev": true,
+      "dependencies": {
+        "@types/markdown-it": "^10.0.0",
+        "@types/webpack-dev-server": "^3",
+        "webpack-chain": "^6.0.0"
+      }
+    },
     "node_modules/@vuepress/plugin-nprogress": {
       "version": "1.9.5",
       "resolved": "https://registry.npmjs.org/@vuepress/plugin-nprogress/-/plugin-nprogress-1.9.5.tgz",
@@ -17869,13 +17880,26 @@
       }
     },
     "@vuepress/plugin-medium-zoom": {
-      "version": "1.9.5",
-      "resolved": "https://registry.npmjs.org/@vuepress/plugin-medium-zoom/-/plugin-medium-zoom-1.9.5.tgz",
-      "integrity": "sha512-ANHfmsPxF+lDtPHa0RlRlsfM6J5Bg2PWNfWxLGET9UxgN4tFX1cq3QLUk+yxoNIb5XFUtqEA2gR7nRc2i0Kt0Q==",
+      "version": "1.9.7",
+      "resolved": "https://registry.npmjs.org/@vuepress/plugin-medium-zoom/-/plugin-medium-zoom-1.9.7.tgz",
+      "integrity": "sha512-P00chXEEoFyQyDWiiSw1mUIdywS6vqM9jolM/3Gv3/TywqemWEm1MKMM7mLsjGiaXJbBQZE+U3/lHmzcaroYLQ==",
       "dev": true,
       "requires": {
-        "@vuepress/types": "1.9.5",
+        "@vuepress/types": "1.9.7",
         "medium-zoom": "^1.0.4"
+      },
+      "dependencies": {
+        "@vuepress/types": {
+          "version": "1.9.7",
+          "resolved": "https://registry.npmjs.org/@vuepress/types/-/types-1.9.7.tgz",
+          "integrity": "sha512-moLQzkX3ED2o18dimLemUm7UVDKxhcrJmGt5C0Ng3xxrLPaQu7UqbROtEKB3YnMRt4P/CA91J+Ck+b9LmGabog==",
+          "dev": true,
+          "requires": {
+            "@types/markdown-it": "^10.0.0",
+            "@types/webpack-dev-server": "^3",
+            "webpack-chain": "^6.0.0"
+          }
+        }
       }
     },
     "@vuepress/plugin-nprogress": {
diff --git a/package.json b/package.json
index 135aa76..ba6bdc4 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@vuepress/plugin-back-to-top": "1.9.5",
-    "@vuepress/plugin-medium-zoom": "1.9.5",
+    "@vuepress/plugin-medium-zoom": "1.9.7",
     "jsdom": "19.0.0",
     "markdown-it-attrs": "4.1.3",
     "pre-commit": "1.2.2",