diff --git a/example/front/package-lock.json b/example/front/package-lock.json
index c1c3db5..14ed511 100644
--- a/example/front/package-lock.json
+++ b/example/front/package-lock.json
@@ -610,6 +610,11 @@
         }
       }
     },
+    "charset": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/charset/-/charset-1.0.1.tgz",
+      "integrity": "sha512-6dVyOOYjpfFcL1Y4qChrAoQLRHvj2ziyhcm0QJlhOcAhykL/k1kTUPbeo+87MNRTRdk2OIIsIXbuF3x2wi5EXg=="
+    },
     "chokidar": {
       "version": "2.1.8",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
@@ -947,21 +952,10 @@
         "stream-shift": "^1.0.0"
       }
     },
-    "ecstatic": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-3.3.2.tgz",
-      "integrity": "sha512-fLf9l1hnwrHI2xn9mEDT7KIi22UDqA2jaCwyCbSUJh9a1V+LEUSL/JO/6TIz/QyuBURWUHrFL5Kg2TtO1bkkog==",
-      "requires": {
-        "he": "^1.1.1",
-        "mime": "^1.6.0",
-        "minimist": "^1.2.5",
-        "url-join": "^2.0.5"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "^1.2.5"
-        }
-      }
+    "ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
     "elliptic": {
       "version": "6.5.2",
@@ -1543,7 +1537,9 @@
           }
         },
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
         },
         "minipass": {
           "version": "2.9.0",
@@ -1571,7 +1567,10 @@
           },
           "dependencies": {
             "minimist": {
-              "version": "^1.2.5"
+              "version": "1.2.5",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+              "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+              "optional": true
             }
           }
         },
@@ -1704,12 +1703,15 @@
           "requires": {
             "deep-extend": "^0.6.0",
             "ini": "~1.3.0",
-            "minimist": "^1.2.5",
+            "minimist": "^1.2.0",
             "strip-json-comments": "~2.0.1"
           },
           "dependencies": {
             "minimist": {
-              "version": "^1.2.5"
+              "version": "1.2.5",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+              "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+              "optional": true
             }
           }
         },
@@ -2022,6 +2024,31 @@
         "portfinder": "^1.0.20",
         "secure-compare": "3.0.1",
         "union": "~0.5.0"
+      },
+      "dependencies": {
+        "ecstatic": {
+          "version": "4.1.4",
+          "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-4.1.4.tgz",
+          "integrity": "sha512-8E4ZLK4uRuB9pwywGpy/B9vcz4gCp6IY7u4cMbeCINr/fjb1v+0wf0Ae2XlfSnG8xZYnE4uaJBjFkYI0bqcIdw==",
+          "requires": {
+            "charset": "^1.0.1",
+            "he": "^1.1.1",
+            "mime": "^2.4.1",
+            "minimist": "^1.1.0",
+            "on-finished": "^2.3.0",
+            "url-join": "^4.0.0"
+          }
+        },
+        "mime": {
+          "version": "2.4.4",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
+          "integrity": "sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA=="
+        },
+        "url-join": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+          "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA=="
+        }
       }
     },
     "https-browserify": {
@@ -2247,11 +2274,13 @@
       "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
       "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
       "requires": {
-        "minimist": "^1.2.5"
+        "minimist": "^1.2.0"
       },
       "dependencies": {
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
         }
       }
     },
@@ -2393,11 +2422,6 @@
         "brorand": "^1.0.1"
       }
     },
-    "mime": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
-    },
     "mimic-fn": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
@@ -2421,6 +2445,11 @@
         "brace-expansion": "^1.1.7"
       }
     },
+    "minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+    },
     "mississippi": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-3.0.0.tgz",
@@ -2466,7 +2495,9 @@
       },
       "dependencies": {
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
         }
       }
     },
@@ -2621,6 +2652,14 @@
         "isobject": "^3.0.1"
       }
     },
+    "on-finished": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
+      "requires": {
+        "ee-first": "1.1.1"
+      }
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -2639,12 +2678,14 @@
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
       "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
       "requires": {
-        "minimist": "^1.2.5",
+        "minimist": "~0.0.1",
         "wordwrap": "~0.0.2"
       },
       "dependencies": {
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
         }
       }
     },
@@ -3629,11 +3670,6 @@
         }
       }
     },
-    "url-join": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg="
-    },
     "use": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
@@ -3854,4 +3890,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/example/front/package.json b/example/front/package.json
index 8f69e16..01285fe 100644
--- a/example/front/package.json
+++ b/example/front/package.json
@@ -4,7 +4,8 @@
     "private": true,
     "license": "Apache",
     "resolutions": {
-        "minimist": "^1.2.5"
+        "minimist": "^1.2.5",
+        "ecstatic": "^4.1.4"
     },
     "dependencies": {
         "@webauthn/client": "^0.1.3",
diff --git a/package.json b/package.json
index e6b1f1d..cdb131f 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     },
     "resolutions": {
         "https-proxy-agent": "^2.2.3",
-        "minimist": "^1.2.5"
+        "minimist": "^1.2.5",
+        "ecstatic": "^4.1.4"
     }
 }