diff --git a/package.json b/package.json
index 9f60cc6..5fd7f46 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "async": "^3.2.0",
     "cheerio": "~0.10.1",
     "director": "~1.1.6",
-    "ecstatic": "~0.1.6",
+    "ecstatic": "~4.1.4",
     "grunt-css": "~0.3.2",
     "request": "^2.88.2",
     "solr-client": "~0.2.3",
diff --git a/yarn.lock b/yarn.lock
index 97c0899..4f16517 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -111,6 +111,11 @@ caseless@~0.12.0:
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
+charset@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/charset/-/charset-1.0.1.tgz#8d59546c355be61049a8fa9164747793319852bd"
+  integrity sha512-6dVyOOYjpfFcL1Y4qChrAoQLRHvj2ziyhcm0QJlhOcAhykL/k1kTUPbeo+87MNRTRdk2OIIsIXbuF3x2wi5EXg==
+
 cheerio-select@*:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/cheerio-select/-/cheerio-select-0.0.3.tgz#3f2420114f3ccb0b1b075c245ccfaae5d617a388"
@@ -235,18 +240,22 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
-ecstatic@~0.1.6:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-0.1.7.tgz#b2210568789c029f610ea4e00395bbaf62201034"
-  integrity sha1-siEFaHicAp9hDqTgA5W7r2IgEDQ=
+ecstatic@~4.1.4:
+  version "4.1.4"
+  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-4.1.4.tgz#86bf340dabe56c4d0c93d406ac36c040f68e1d79"
+  integrity sha512-8E4ZLK4uRuB9pwywGpy/B9vcz4gCp6IY7u4cMbeCINr/fjb1v+0wf0Ae2XlfSnG8xZYnE4uaJBjFkYI0bqcIdw==
   dependencies:
-    ent "0.0.x"
-    mime "1.2.5"
+    charset "^1.0.1"
+    he "^1.1.1"
+    mime "^2.4.1"
+    minimist "^1.1.0"
+    on-finished "^2.3.0"
+    url-join "^4.0.0"
 
-ent@0.0.x:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/ent/-/ent-0.0.7.tgz#835d4e7f9e7a8d4921c692e9010ec976da5e9949"
-  integrity sha1-g11Of556jUkhxpLpAQ7JdtpemUk=
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 entities@0.x:
   version "0.5.0"
@@ -353,6 +362,11 @@ hawk@~1.0.0:
     hoek "0.9.x"
     sntp "0.2.x"
 
+he@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
+  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
+
 hoek@0.9.x:
   version "0.9.1"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-0.9.1.tgz#3d322462badf07716ea7eb85baf88079cddce505"
@@ -442,16 +456,21 @@ mime-types@^2.1.12, mime-types@~2.1.19:
   dependencies:
     mime-db "1.44.0"
 
-mime@1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.2.5.tgz#9eed073022a8bf5e16c8566c6867b8832bfbfa13"
-  integrity sha1-nu0HMCKov14WyFZsaGe4gyv7+hM=
+mime@^2.4.1:
+  version "2.4.6"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.6.tgz#e5b407c90db442f2beb5b162373d07b69affa4d1"
+  integrity sha512-RZKhC3EmpBchfTGBVb8fb+RL2cWyw/32lshnsETttkBAyAUXSGHxbEJWWRXc751DrIxG1q04b8QwMbAwkRPpUA==
 
 mime@~1.2.11, mime@~1.2.9:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.2.11.tgz#58203eed86e3a5ef17aed2b7d9ebd47f0a60dd10"
   integrity sha1-WCA+7Ybjpe8XrtK32evUfwpg3RA=
 
+minimist@^1.1.0:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
 node-uuid@~1.4.0:
   version "1.4.8"
   resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.8.tgz#b040eb0923968afabf8d32fb1f17f1167fdab907"
@@ -474,6 +493,13 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
+on-finished@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
 performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
@@ -664,6 +690,11 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
+url-join@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/url-join/-/url-join-4.0.1.tgz#b642e21a2646808ffa178c4c5fda39844e12cde7"
+  integrity sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==
+
 uuid@^3.3.2:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"