diff --git a/yarn.lock b/yarn.lock
index 01a578e..15bbdff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -600,20 +600,22 @@
     lodash "^4.17.10"
     to-fast-properties "^2.0.0"
 
-"@prerenderer/prerenderer@^0.7.1":
-  version "0.7.1"
-  resolved "https://registry.yarnpkg.com/@prerenderer/prerenderer/-/prerenderer-0.7.1.tgz#960b61cdf3840eacb887c24e335aaa732b32182b"
+"@prerenderer/prerenderer@^0.7.2":
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/@prerenderer/prerenderer/-/prerenderer-0.7.2.tgz#b26a806bcdb3b313d527b313bdd72a57434b45fd"
+  integrity sha512-zWG3uFnrQWDJQoSzGB8bOnNhJCgIiylVYDFBP7Nw2LqngHOqwvpdBtGSjfajC8+fdR/iB2FqMqe27cfdmf/8TQ==
   dependencies:
     express "^4.16.2"
     http-proxy-middleware "^0.18.0"
     portfinder "^1.0.13"
 
-"@prerenderer/renderer-puppeteer@^0.1.4":
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/@prerenderer/renderer-puppeteer/-/renderer-puppeteer-0.1.4.tgz#001918126f72306c1e7ac96129e0d0518059c352"
+"@prerenderer/renderer-puppeteer@^0.2.0":
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/@prerenderer/renderer-puppeteer/-/renderer-puppeteer-0.2.0.tgz#86bea00159851dc4f330b7325af5cdca7f185bf1"
+  integrity sha512-sC8WBcYcXbqm6premzCcUNDRROtAwBtBewUuzHyKcYDqU6InqjfpUQEXdIlhikN0gvqzlJy1+c7OJSfNYi4/tg==
   dependencies:
     promise-limit "^2.5.0"
-    puppeteer "^1.0.0"
+    puppeteer "^1.7.0"
 
 abbrev@1:
   version "1.1.1"
@@ -1950,11 +1952,12 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
 
 prerender-spa-plugin@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/prerender-spa-plugin/-/prerender-spa-plugin-3.2.1.tgz#48081f66164367e2b9979a9b207b79508c9f566f"
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/prerender-spa-plugin/-/prerender-spa-plugin-3.4.0.tgz#332f55e68e1bba68bcf176d8c8dfc8380c5dee8a"
+  integrity sha512-4Gtu7XIz5p0VBi1527c/ogu0NNcM5kJPG9q3F26SioeeURVbIJ11B6fuK8pxTmlPqffKPR/2TRRf4o020r4Fqw==
   dependencies:
-    "@prerenderer/prerenderer" "^0.7.1"
-    "@prerenderer/renderer-puppeteer" "^0.1.4"
+    "@prerenderer/prerenderer" "^0.7.2"
+    "@prerenderer/renderer-puppeteer" "^0.2.0"
     html-minifier "^3.5.16"
 
 private@^0.1.6, private@^0.1.8:
@@ -1966,9 +1969,10 @@ process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
 
-progress@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
+progress@^2.0.1:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
+  integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
 
 promise-limit@^2.5.0:
   version "2.7.0"
@@ -1985,18 +1989,19 @@ proxy-from-env@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.0.0.tgz#33c50398f70ea7eb96d21f7b817630a55791c7ee"
 
-puppeteer@^1.0.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.7.0.tgz#edcba2300a50847202c0f19fd15e7a96171ff3bd"
+puppeteer@^1.7.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.20.0.tgz#e3d267786f74e1d87cf2d15acc59177f471bbe38"
+  integrity sha512-bt48RDBy2eIwZPrkgbcwHtb51mj2nKvHOPMaSH2IsWiv7lOG9k9zhaRzpDZafrk05ajMc3cu+lSQYYOfH2DkVQ==
   dependencies:
-    debug "^3.1.0"
+    debug "^4.1.0"
     extract-zip "^1.6.6"
     https-proxy-agent "^2.2.1"
     mime "^2.0.3"
-    progress "^2.0.0"
+    progress "^2.0.1"
     proxy-from-env "^1.0.0"
     rimraf "^2.6.1"
-    ws "^5.1.1"
+    ws "^6.1.0"
 
 qs@6.5.1:
   version "6.5.1"
@@ -2510,9 +2515,10 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-ws@^5.1.1:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
+ws@^6.1.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
+  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
   dependencies:
     async-limiter "~1.0.0"