diff --git a/package-lock.json b/package-lock.json
index 04155b8..948ebf4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1597,6 +1597,7 @@
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
       "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "dev": true,
       "requires": {
         "ms": "2.0.0"
       }
@@ -4563,14 +4564,29 @@
       "dev": true
     },
     "koa-send": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/koa-send/-/koa-send-4.1.3.tgz",
-      "integrity": "sha512-3UetMBdaXSiw24qM2Mx5mKmxLKw5ZTPRjACjfhK6Haca55RKm9hr/uHDrkrxhSl5/S1CKI/RivZVIopiatZuTA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/koa-send/-/koa-send-5.0.0.tgz",
+      "integrity": "sha512-90ZotV7t0p3uN9sRwW2D484rAaKIsD8tAVtypw/aBU+ryfV+fR2xrcAwhI8Wl6WRkojLUs/cB9SBSCuIb+IanQ==",
       "requires": {
-        "debug": "^2.6.3",
-        "http-errors": "^1.6.1",
-        "mz": "^2.6.0",
+        "debug": "^3.1.0",
+        "http-errors": "^1.6.3",
+        "mz": "^2.7.0",
         "resolve-path": "^1.4.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.5",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.5.tgz",
+          "integrity": "sha512-D61LaDQPQkxJ5AUM2mbSJRbPkNs/TmdmOeLAi1hgDkpDfIfetSrjmWhccwtuResSwMbACjx/xXQofvM9CE/aeg==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+        }
       }
     },
     "lazy-cache": {
@@ -5077,7 +5093,8 @@
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
     },
     "mute-stream": {
       "version": "0.0.7",
diff --git a/package.json b/package.json
index c23f357..0aa14a3 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   ],
   "dependencies": {
     "kind-of": "5.1.0",
-    "koa-send": "4.1.3"
+    "koa-send": "5.0.0"
   },
   "devDependencies": {
     "chokidar-cli": "1.2.1",