diff --git a/letsencrypt/package-lock.json b/letsencrypt/package-lock.json
index 9a27492..3c4b0e7 100644
--- a/letsencrypt/package-lock.json
+++ b/letsencrypt/package-lock.json
@@ -49,9 +49,9 @@
       }
     },
     "balanced-match": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
     "brace-expansion": {
       "version": "1.1.11",
@@ -72,6 +72,21 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
+    "content-disposition": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
+      "integrity": "sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
     "cookie": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
@@ -118,6 +133,11 @@
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
+    "encoding-negotiator": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/encoding-negotiator/-/encoding-negotiator-2.0.1.tgz",
+      "integrity": "sha512-GSK7qphNR4iPcejfAlZxKDoz3xMhnspwImK+Af5WhePS9jUpK/Oh7rUdyENWu+9rgDflOCTmAojBsgsvM8neAQ=="
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -213,14 +233,23 @@
       }
     },
     "fastify-static": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/fastify-static/-/fastify-static-2.6.0.tgz",
-      "integrity": "sha512-OyaGl6KWQQCdv8FO9w0BAc1NYohuJizQkEGqBGaUijDmluIgU1YJr088inSyo2nVd688At50KiZKmeVKYHWYgw==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/fastify-static/-/fastify-static-4.2.4.tgz",
+      "integrity": "sha512-Uk24B9R/PtXG2pMd26r8/Yyfs2lKlghiqyjUsGwT0qMiSs0VZbhCvKn6rwEve63ttvFjLMwNNz1q0/5QoTy4HA==",
       "requires": {
-        "fastify-plugin": "^1.6.0",
+        "content-disposition": "^0.5.3",
+        "encoding-negotiator": "^2.0.1",
+        "fastify-plugin": "^3.0.0",
         "glob": "^7.1.4",
         "readable-stream": "^3.4.0",
-        "send": "^0.16.0"
+        "send": "^0.17.1"
+      },
+      "dependencies": {
+        "fastify-plugin": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/fastify-plugin/-/fastify-plugin-3.0.0.tgz",
+          "integrity": "sha512-ZdCvKEEd92DNLps5n0v231Bha8bkz1DjnPP/aEz37rz/q42Z5JVLmgnqR4DYuNn3NXAO3IDCPyRvgvxtJ4Ym4w=="
+        }
       }
     },
     "fastparallel": {
@@ -280,9 +309,9 @@
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "glob": {
-      "version": "7.1.6",
-      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
-      "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
+      "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -427,9 +456,9 @@
       }
     },
     "mime": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
-      "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ=="
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
+      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
     },
     "minimatch": {
       "version": "3.0.4",
@@ -566,9 +595,9 @@
       "integrity": "sha512-TcZvGMMy9vodEFSse30lWinkj+JgOBvPn8wRItpQRSayhc+4ssDs335uklkfvQQJgL/WvmHLVj4Ycv2s7QCQMg=="
     },
     "send": {
-      "version": "0.16.2",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
-      "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
+      "version": "0.17.1",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.17.1.tgz",
+      "integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
       "requires": {
         "debug": "2.6.9",
         "depd": "~1.1.2",
@@ -577,12 +606,12 @@
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "~1.6.2",
-        "mime": "1.4.1",
-        "ms": "2.0.0",
+        "http-errors": "~1.7.2",
+        "mime": "1.6.0",
+        "ms": "2.1.1",
         "on-finished": "~2.3.0",
-        "range-parser": "~1.2.0",
-        "statuses": "~1.4.0"
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
       },
       "dependencies": {
         "debug": {
@@ -591,38 +620,19 @@
           "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
           "requires": {
             "ms": "2.0.0"
+          },
+          "dependencies": {
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+            }
           }
         },
-        "http-errors": {
-          "version": "1.6.3",
-          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
-          "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
-          "requires": {
-            "depd": "~1.1.2",
-            "inherits": "2.0.3",
-            "setprototypeof": "1.1.0",
-            "statuses": ">= 1.4.0 < 2"
-          }
-        },
-        "inherits": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
-        },
         "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        },
-        "setprototypeof": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
-        },
-        "statuses": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
         }
       }
     },
diff --git a/letsencrypt/package.json b/letsencrypt/package.json
index 77fd98b..82b568a 100644
--- a/letsencrypt/package.json
+++ b/letsencrypt/package.json
@@ -11,6 +11,6 @@
   "dependencies": {
     "fastify": "^2.12.0",
     "fastify-jwt": "^1.2.1",
-    "fastify-static": "^2.6.0"
+    "fastify-static": "^4.2.4"
   }
 }