diff --git a/package.json b/package.json
index d0275f30..1cb44956 100644
--- a/package.json
+++ b/package.json
@@ -23,25 +23,25 @@
   ],
   "dependencies": {
     "bluebird": "^3.5.1",
-    "chalk": "^2.3.0",
-    "commander": "^2.13.0",
+    "chalk": "^2.3.1",
+    "commander": "^2.14.1",
     "content-disposition": "^0.5.2",
     "content-type": "^1.0.2",
     "debug": "^3.1.0",
     "decompress-response": "^3.3.0",
     "execa": "^0.9.0",
     "feedparser": "^2.2.9",
-    "file-type": "^7.5.0",
+    "file-type": "^7.6.0",
     "get-stream": "^3.0.0",
     "hasha": "^3.0.0",
     "htmlparser2": "^3.9.2",
-    "mime-types": "^2.1.16",
-    "mississippi": "^1.3.1",
+    "mime-types": "^2.1.18",
+    "mississippi": "^2.0.0",
     "normalize-url": "^2.0.1",
     "read-chunk": "^2.1.0",
     "rfc2047": "^2.0.1",
     "rimraf": "^2.6.1",
-    "type-is": "^1.6.15",
+    "type-is": "^1.6.16",
     "update-notifier": "^2.3.0"
   },
   "devDependencies": {
@@ -49,7 +49,7 @@
     "codecov": "^3.0.0",
     "finalhandler": "^1.1.0",
     "nyc": "^11.4.1",
-    "serve-static": "^1.13.1",
+    "serve-static": "^1.13.2",
     "test-listen": "^1.1.0",
     "xo": "^0.20.3"
   },
diff --git a/yarn.lock b/yarn.lock
index c8863ffd..3791f3ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -916,7 +916,7 @@ chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.1.0:
+chalk@^2.0.0, chalk@^2.1.0, chalk@^2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.1.tgz#523fe2678aec7b04e8041909292fe8b17059b796"
   dependencies:
@@ -932,14 +932,6 @@ chalk@^2.0.1:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-chalk@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
-  dependencies:
-    ansi-styles "^3.1.0"
-    escape-string-regexp "^1.0.5"
-    supports-color "^4.0.0"
-
 chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
@@ -1082,9 +1074,9 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.13.0:
-  version "2.13.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
+commander@^2.14.1:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.14.1.tgz#2235123e37af8ca3c65df45b026dbd357b01b9aa"
 
 common-path-prefix@^1.0.0:
   version "1.0.0"
@@ -1364,10 +1356,14 @@ delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
 
-depd@1.1.1, depd@~1.1.1:
+depd@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
 
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+
 destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
@@ -1470,6 +1466,10 @@ encodeurl@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
 
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.0.tgz#7a90d833efda6cfa6eac0f4949dbb0fad3a63206"
@@ -1900,9 +1900,9 @@ file-entry-cache@^2.0.0:
     flat-cache "^1.2.1"
     object-assign "^4.0.1"
 
-file-type@^7.5.0:
-  version "7.5.0"
-  resolved "https://registry.yarnpkg.com/file-type/-/file-type-7.5.0.tgz#573219a45b9cf06ac904443e805bc0217b5a3516"
+file-type@^7.6.0:
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-7.6.0.tgz#b3dbfc8029148e86f30761b21253562943d21f06"
 
 filename-regex@^2.0.0:
   version "2.0.1"
@@ -3321,12 +3321,22 @@ mime-db@~1.30.0:
   version "1.30.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
 
-mime-types@^2.1.12, mime-types@^2.1.16, mime-types@~2.1.15, mime-types@~2.1.17, mime-types@~2.1.7:
+mime-db@~1.33.0:
+  version "1.33.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.33.0.tgz#a3492050a5cb9b63450541e39d9788d2272783db"
+
+mime-types@^2.1.12, mime-types@~2.1.17, mime-types@~2.1.7:
   version "2.1.17"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.17.tgz#09d7a393f03e995a79f8af857b70a9e0ab16557a"
   dependencies:
     mime-db "~1.30.0"
 
+mime-types@^2.1.18, mime-types@~2.1.18:
+  version "2.1.18"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.18.tgz#6f323f60a83d11146f831ff11fd66e2fe5503bb8"
+  dependencies:
+    mime-db "~1.33.0"
+
 mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
@@ -3364,9 +3374,9 @@ minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
-mississippi@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-1.3.1.tgz#2a8bb465e86550ac8b36a7b6f45599171d78671e"
+mississippi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-2.0.0.tgz#3442a508fafc28500486feea99409676e4ee5a6f"
   dependencies:
     concat-stream "^1.5.0"
     duplexify "^3.4.2"
@@ -3374,7 +3384,7 @@ mississippi@^1.3.1:
     flush-write-stream "^1.0.0"
     from2 "^2.1.0"
     parallel-transform "^1.1.0"
-    pump "^1.0.0"
+    pump "^2.0.1"
     pumpify "^1.3.3"
     stream-each "^1.1.0"
     through2 "^2.0.0"
@@ -3941,6 +3951,13 @@ pump@^1.0.0:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
+pump@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
 pumpify@^1.3.3:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.3.5.tgz#1b671c619940abcaeac0ad0e3a3c164be760993b"
@@ -4352,14 +4369,14 @@ semver@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
-send@0.16.1:
-  version "0.16.1"
-  resolved "https://registry.yarnpkg.com/send/-/send-0.16.1.tgz#a70e1ca21d1382c11d0d9f6231deb281080d7ab3"
+send@0.16.2:
+  version "0.16.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
   dependencies:
     debug "2.6.9"
-    depd "~1.1.1"
+    depd "~1.1.2"
     destroy "~1.0.4"
-    encodeurl "~1.0.1"
+    encodeurl "~1.0.2"
     escape-html "~1.0.3"
     etag "~1.8.1"
     fresh "0.5.2"
@@ -4368,20 +4385,20 @@ send@0.16.1:
     ms "2.0.0"
     on-finished "~2.3.0"
     range-parser "~1.2.0"
-    statuses "~1.3.1"
+    statuses "~1.4.0"
 
 serialize-error@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/serialize-error/-/serialize-error-2.1.0.tgz#50b679d5635cdf84667bdc8e59af4e5b81d5f60a"
 
-serve-static@^1.13.1:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.1.tgz#4c57d53404a761d8f2e7c1e8a18a47dbf278a719"
+serve-static@^1.13.2:
+  version "1.13.2"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.2.tgz#095e8472fd5b46237db50ce486a43f4b86c6cec1"
   dependencies:
-    encodeurl "~1.0.1"
+    encodeurl "~1.0.2"
     escape-html "~1.0.3"
     parseurl "~1.3.2"
-    send "0.16.1"
+    send "0.16.2"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
@@ -4602,6 +4619,10 @@ static-extend@^0.1.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+statuses@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+
 stream-each@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.0.tgz#1e95d47573f580d814dc0ff8cd0f66f1ce53c991"
@@ -4926,12 +4947,12 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-is@^1.6.15:
-  version "1.6.15"
-  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.15.tgz#cab10fb4909e441c82842eafe1ad646c81804410"
+type-is@^1.6.16:
+  version "1.6.16"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.16.tgz#f89ce341541c672b25ee7ae3c73dee3b2be50194"
   dependencies:
     media-typer "0.3.0"
-    mime-types "~2.1.15"
+    mime-types "~2.1.18"
 
 typedarray@^0.0.6:
   version "0.0.6"