diff --git a/yarn.lock b/yarn.lock
index 46bf67d..ef89334 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2064,13 +2064,13 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
 
 ecstatic@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-2.1.0.tgz#477a4a6b25cecb112f697dbd2c7fa354154ea6be"
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-2.2.2.tgz#1c7969b7a8893a04852e9373edeeb1d62809d393"
   dependencies:
-    he "^0.5.0"
+    he "^1.1.1"
     mime "^1.2.11"
     minimist "^1.1.0"
-    url-join "^1.0.0"
+    url-join "^2.0.2"
 
 ee-first@1.1.1:
   version "1.1.1"
@@ -3003,9 +3003,9 @@ he@1.1.x:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.0.tgz#29319d49beec13a9b1f3c4f9b2a6dde4859bb2a7"
 
-he@^0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/he/-/he-0.5.0.tgz#2c05ffaef90b68e860f3fd2b54ef580989277ee2"
+he@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
 
 history@^3.0.0:
   version "3.3.0"
@@ -4251,10 +4251,14 @@ mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.13, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.25.0"
 
-mime@1.3.4, mime@^1.2.11, mime@^1.3.4:
+mime@1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
 
+mime@^1.2.11, mime@^1.3.4:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+
 mime@~1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.2.11.tgz#58203eed86e3a5ef17aed2b7d9ebd47f0a60dd10"
@@ -4286,8 +4290,8 @@ minimist@0.0.8, minimist@~0.0.1:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.2, minimist@^1.1.3, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
 
 mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
@@ -6834,9 +6838,9 @@ upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
 
-url-join@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/url-join/-/url-join-1.1.0.tgz#741c6c2f4596c4830d6718460920d0c92202dc78"
+url-join@^2.0.2:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/url-join/-/url-join-2.0.5.tgz#5af22f18c052a000a48d7b82c5e9c2e2feeda728"
 
 url-parse@1.0.x:
   version "1.0.5"