diff --git a/example/package-lock.json b/example/package-lock.json
index 1d76cd2..fd91d82 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -22,7 +22,7 @@
         "koa-compress": "^5.1.0",
         "mime-types": "^2.1.33",
         "module-alias": "^2.2.2",
-        "path-to-regexp": "^6.2.0",
+        "path-to-regexp": "^6.2.1",
         "react": "^17.0.2",
         "react-dom": "^17.0.2",
         "yargs": "^17.5.1"
@@ -1248,9 +1248,9 @@
       }
     },
     "node_modules/path-to-regexp": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-6.2.0.tgz",
-      "integrity": "sha512-f66KywYG6+43afgE/8j/GoiNyygk/bnoCbps++3ErRKsIYkGGupyv07R2Ok5m9i67Iqc+T2g1eAUGUPzWhYTyg=="
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-6.2.1.tgz",
+      "integrity": "sha512-JLyh7xT1kizaEvcaXOQwOc2/Yhw6KZOvPf1S8401UyLk86CU79LN3vl7ztXGm/pZ+YjoyAJ4rxmHwbkBXJX+yw=="
     },
     "node_modules/popper.js": {
       "version": "1.16.1-lts",
@@ -2542,9 +2542,9 @@
       "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
     },
     "path-to-regexp": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-6.2.0.tgz",
-      "integrity": "sha512-f66KywYG6+43afgE/8j/GoiNyygk/bnoCbps++3ErRKsIYkGGupyv07R2Ok5m9i67Iqc+T2g1eAUGUPzWhYTyg=="
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-6.2.1.tgz",
+      "integrity": "sha512-JLyh7xT1kizaEvcaXOQwOc2/Yhw6KZOvPf1S8401UyLk86CU79LN3vl7ztXGm/pZ+YjoyAJ4rxmHwbkBXJX+yw=="
     },
     "popper.js": {
       "version": "1.16.1-lts",
diff --git a/example/package.json b/example/package.json
index b0d9bf7..9e2ab78 100644
--- a/example/package.json
+++ b/example/package.json
@@ -22,7 +22,7 @@
     "koa-compress": "^5.1.0",
     "mime-types": "^2.1.33",
     "module-alias": "^2.2.2",
-    "path-to-regexp": "^6.2.0",
+    "path-to-regexp": "^6.2.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "yargs": "^17.5.1"