diff --git a/package.json b/package.json
index 32a4d08..c9f80ad 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "send.js"
   ],
   "devDependencies": {
-    "coveralls": "3.0.4",
+    "coveralls": "3.0.9",
     "koa": "2.7.0",
     "koa-mount": "4.0.0",
     "mocha": "6.1.4",
diff --git a/yarn.lock b/yarn.lock
index f082075..9aaee02 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -352,17 +352,16 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
-coveralls@3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.4.tgz#f50233c9c62fd0973f710fce85fd19dba24cff4b"
-  integrity sha512-eyqUWA/7RT0JagiL0tThVhjbIjoiEUyWCjtUJoOPcWoeofP5WK/jb2OJYoBFrR6DvplR+AxOyuBqk4JHkk5ykA==
+coveralls@3.0.9:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.9.tgz#8cfc5a5525f84884e2948a0bf0f1c0e90aac0420"
+  integrity sha512-nNBg3B1+4iDox5A5zqHKzUTiwl2ey4k2o0NEcVZYvl+GOSJdKBj4AJGKLv6h3SvWch7tABHePAQOSZWM9E2hMg==
   dependencies:
-    growl "~> 1.10.0"
-    js-yaml "^3.11.0"
-    lcov-parse "^0.0.10"
+    js-yaml "^3.13.1"
+    lcov-parse "^1.0.0"
     log-driver "^1.2.7"
     minimist "^1.2.0"
-    request "^2.86.0"
+    request "^2.88.0"
 
 cp-file@^6.2.0:
   version "6.2.0"
@@ -715,7 +714,7 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
   integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
 
-growl@1.10.5, "growl@~> 1.10.0":
+growl@1.10.5:
   version "1.10.5"
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
   integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
@@ -972,7 +971,7 @@ js-tokens@^4.0.0:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-yaml@3.13.1, js-yaml@^3.11.0, js-yaml@^3.13.1:
+js-yaml@3.13.1, js-yaml@^3.13.1:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
@@ -1095,10 +1094,10 @@ lcid@^2.0.0:
   dependencies:
     invert-kv "^2.0.0"
 
-lcov-parse@^0.0.10:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-0.0.10.tgz#1b0b8ff9ac9c7889250582b70b71315d9da6d9a3"
-  integrity sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM=
+lcov-parse@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-1.0.0.tgz#eb0d46b54111ebc561acb4c408ef9363bdc8f7e0"
+  integrity sha1-6w1GtUER68VhrLTECO+TY73I9+A=
 
 load-json-file@^4.0.0:
   version "4.0.0"
@@ -1620,7 +1619,7 @@ release-zalgo@^1.0.0:
   dependencies:
     es6-error "^4.0.1"
 
-request@^2.86.0:
+request@^2.88.0:
   version "2.88.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   integrity sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==