diff --git a/examples/with-koa/package-lock.json b/examples/with-koa/package-lock.json
index 0ba3a3e..95c2ccd 100644
--- a/examples/with-koa/package-lock.json
+++ b/examples/with-koa/package-lock.json
@@ -131,16 +131,16 @@
           }
         },
         "mime-db": {
-          "version": "1.46.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.46.0.tgz",
-          "integrity": "sha512-svXaP8UQRZ5K7or+ZmfNhg2xX3yKDMUzqadsSqi4NCH/KomcH75MAMYAGVlvXn4+b/xOPhS3I2uHKRUzvjY7BQ=="
+          "version": "1.47.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.47.0.tgz",
+          "integrity": "sha512-QBmA/G2y+IfeS4oktet3qRZ+P5kPhCKRXxXnQEudYqUaEioAU1/Lq2us3D/t1Jfo4hE9REQPrbB7K5sOczJVIw=="
         },
         "mime-types": {
-          "version": "2.1.29",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.29.tgz",
-          "integrity": "sha512-Y/jMt/S5sR9OaqteJtslsFZKWOIIqMACsJSiHghlCAyhf7jfVYjKBmLiX8OgpWeW+fjJ2b+Az69aPFPkUOY6xQ==",
+          "version": "2.1.30",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.30.tgz",
+          "integrity": "sha512-crmjA4bLtR8m9qLpHvgxSChT+XoSlZi8J4n/aIdn3z92e/U47Z0V/yl+Wh9W046GgFVAmoNR/fmdbZYcSSIUeg==",
           "requires": {
-            "mime-db": "1.46.0"
+            "mime-db": "1.47.0"
           }
         },
         "qs": {
@@ -426,16 +426,16 @@
           }
         },
         "mime-db": {
-          "version": "1.46.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.46.0.tgz",
-          "integrity": "sha512-svXaP8UQRZ5K7or+ZmfNhg2xX3yKDMUzqadsSqi4NCH/KomcH75MAMYAGVlvXn4+b/xOPhS3I2uHKRUzvjY7BQ=="
+          "version": "1.47.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.47.0.tgz",
+          "integrity": "sha512-QBmA/G2y+IfeS4oktet3qRZ+P5kPhCKRXxXnQEudYqUaEioAU1/Lq2us3D/t1Jfo4hE9REQPrbB7K5sOczJVIw=="
         },
         "mime-types": {
-          "version": "2.1.29",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.29.tgz",
-          "integrity": "sha512-Y/jMt/S5sR9OaqteJtslsFZKWOIIqMACsJSiHghlCAyhf7jfVYjKBmLiX8OgpWeW+fjJ2b+Az69aPFPkUOY6xQ==",
+          "version": "2.1.30",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.30.tgz",
+          "integrity": "sha512-crmjA4bLtR8m9qLpHvgxSChT+XoSlZi8J4n/aIdn3z92e/U47Z0V/yl+Wh9W046GgFVAmoNR/fmdbZYcSSIUeg==",
           "requires": {
-            "mime-db": "1.46.0"
+            "mime-db": "1.47.0"
           }
         },
         "negotiator": {
@@ -921,9 +921,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "macroable": {
       "version": "2.0.2",