diff --git a/package-lock.json b/package-lock.json
index 4e74447..e037f30 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2542,6 +2542,11 @@
       "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
       "dev": true
     },
+    "encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+    },
     "end-of-stream": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
@@ -5518,9 +5523,9 @@
       }
     },
     "koa": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/koa/-/koa-2.8.1.tgz",
-      "integrity": "sha512-iCgjRkntcVud5amnioi+79r7TPVhKPfCY8UzL9GjyU+nIWTE9xsqyrJ6kib3InT9JYRyUu9Y67i5apCjf997TQ==",
+      "version": "2.8.2",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.8.2.tgz",
+      "integrity": "sha512-q1uZOgpl3wjr5FS/tjbABJ8lA5+NeKa9eq7QyBP5xxgOBwJN4iBrMEgO3LroE51lrIw3BsO0WZZ0Yi6giSiMDw==",
       "requires": {
         "accepts": "^1.3.5",
         "cache-content-type": "^1.0.0",
@@ -5531,6 +5536,7 @@
         "delegates": "^1.0.0",
         "depd": "^1.1.2",
         "destroy": "^1.0.4",
+        "encodeurl": "^1.0.2",
         "error-inject": "^1.0.0",
         "escape-html": "^1.0.3",
         "fresh": "~0.5.2",
diff --git a/package.json b/package.json
index e3815ca..c44641b 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "browserify": "^16.5.0",
     "dog-names": "^2.0.0",
     "ioredis": "^4.14.1",
-    "koa": "^2.8.1",
+    "koa": "^2.8.2",
     "koa-router": "^7.4.0",
     "koa-static": "^5.0.0",
     "mz": "^2.7.0",