diff --git a/package-lock.json b/package-lock.json
index 51e5439..7c9b0c5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2993,11 +2993,6 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "error-inject": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/error-inject/-/error-inject-1.0.0.tgz",
-      "integrity": "sha1-4rPZG1Su1nLzCdlQ0VSFD6EdTzc="
-    },
     "es-abstract": {
       "version": "1.12.0",
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.12.0.tgz",
@@ -6142,9 +6137,9 @@
       }
     },
     "koa": {
-      "version": "2.11.0",
-      "resolved": "https://registry.npmjs.org/koa/-/koa-2.11.0.tgz",
-      "integrity": "sha512-EpR9dElBTDlaDgyhDMiLkXrPwp6ZqgAIBvhhmxQ9XN4TFgW+gEz6tkcsNI6BnUbUftrKDjVFj4lW2/J2aNBMMA==",
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.12.0.tgz",
+      "integrity": "sha512-WlUBj6PXoVhjI5ljMmlyK+eqkbVFW5XQu8twz6bd4WM2E67IwKgPMu5wIFXGxAsZT7sW5xAB54KhY8WAEkLPug==",
       "requires": {
         "accepts": "^1.3.5",
         "cache-content-type": "^1.0.0",
@@ -6156,7 +6151,6 @@
         "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",
         "http-assert": "^1.3.0",
@@ -9937,16 +9931,16 @@
       },
       "dependencies": {
         "mime-db": {
-          "version": "1.40.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
-          "integrity": "sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA=="
+          "version": "1.44.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.44.0.tgz",
+          "integrity": "sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg=="
         },
         "mime-types": {
-          "version": "2.1.24",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.24.tgz",
-          "integrity": "sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==",
+          "version": "2.1.27",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.27.tgz",
+          "integrity": "sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==",
           "requires": {
-            "mime-db": "1.40.0"
+            "mime-db": "1.44.0"
           }
         }
       }
diff --git a/package.json b/package.json
index 3e42db8..8c7d1a4 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "debug": "^4.1.1",
     "dog-names": "^2.0.0",
     "ioredis": "^4.17.1",
-    "koa": "^2.11.0",
+    "koa": "^2.12.0",
     "koa-router": "^8.0.8",
     "koa-static": "^5.0.0",
     "mz": "^2.7.0",