diff --git a/package-lock.json b/package-lock.json
index 859b312..3ddf560 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -85,9 +85,9 @@
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-      "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=="
     },
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@@ -129,6 +129,21 @@
         "@babel/types": "^7.6.1"
       }
     },
+    "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": "0.4.1",
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
@@ -172,6 +187,11 @@
       "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",
@@ -275,10 +295,12 @@
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     },
     "fastify-static": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/fastify-static/-/fastify-static-3.4.0.tgz",
-      "integrity": "sha512-5y9xTNiPTj6/jDwzH6CqBIcI3/yZtocUiHoLud2NYPfHSOLlS6eW6DTheiU8b9WWlfmHfqOjwFFBdhiH1+nBhg==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/fastify-static/-/fastify-static-4.2.4.tgz",
+      "integrity": "sha512-Uk24B9R/PtXG2pMd26r8/Yyfs2lKlghiqyjUsGwT0qMiSs0VZbhCvKn6rwEve63ttvFjLMwNNz1q0/5QoTy4HA==",
       "requires": {
+        "content-disposition": "^0.5.3",
+        "encoding-negotiator": "^2.0.1",
         "fastify-plugin": "^3.0.0",
         "glob": "^7.1.4",
         "readable-stream": "^3.4.0",
@@ -344,9 +366,9 @@
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     },
     "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",
diff --git a/package.json b/package.json
index bb04bb8..e62f6b6 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "fastify": "^3.11.0",
     "fastify-markdown": "^0.4.0",
-    "fastify-static": "^3.4.0",
+    "fastify-static": "^4.2.4",
     "point-of-view": "^4.9.0",
     "pug": "^3.0.1"
   },