diff --git a/yarn.lock b/yarn.lock
index 1071f23a..7ec35f89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3466,13 +3466,14 @@ ecma-proposal-math-extensions@0.0.2:
   resolved "https://registry.yarnpkg.com/ecma-proposal-math-extensions/-/ecma-proposal-math-extensions-0.0.2.tgz#a6a3d64819db70cee0d2e1976b6315d00e4714a0"
 
 ecstatic@^3.0.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-3.2.0.tgz#1b1aee1ca7c6b99cfb5cf6c9b26b481b90c4409f"
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-3.3.2.tgz#6d1dd49814d00594682c652adb66076a69d46c48"
+  integrity sha512-fLf9l1hnwrHI2xn9mEDT7KIi22UDqA2jaCwyCbSUJh9a1V+LEUSL/JO/6TIz/QyuBURWUHrFL5Kg2TtO1bkkog==
   dependencies:
     he "^1.1.1"
-    mime "^1.4.1"
+    mime "^1.6.0"
     minimist "^1.1.0"
-    url-join "^2.0.2"
+    url-join "^2.0.5"
 
 ee-first@1.1.1:
   version "1.1.1"
@@ -4971,10 +4972,15 @@ hawk@3.1.3, hawk@~3.1.3:
     hoek "2.x.x"
     sntp "1.x.x"
 
-he@1.1.x, he@^1.1.1:
+he@1.1.x:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
 
+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==
+
 hex-color-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/hex-color-regex/-/hex-color-regex-1.1.0.tgz#4c06fccb4602fe2602b3c93df82d7e7dbf1a8a8e"
@@ -7018,9 +7024,10 @@ mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
-mime@^1.3.4, mime@^1.4.1, mime@^1.6.0:
+mime@^1.3.4, mime@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+  integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
 
 mime@^2.0.3, mime@^2.3.1:
   version "2.3.1"
@@ -10580,9 +10587,10 @@ urix@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
 
-url-join@^2.0.2:
+url-join@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/url-join/-/url-join-2.0.5.tgz#5af22f18c052a000a48d7b82c5e9c2e2feeda728"
+  integrity sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=
 
 url-loader@^1.1.2:
   version "1.1.2"