diff --git a/Dockerfile b/Dockerfile
index a5d9aac..218cde0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,15 +7,8 @@ RUN apk update && apk upgrade && \
     echo http://nl.alpinelinux.org/alpine/edge/community >> /etc/apk/repositories && \
     echo http://nl.alpinelinux.org/alpine/edge/main >> /etc/apk/repositories && \
     apk add --no-cache \
-      zlib-dev \
-      xvfb \
-      xorg-server \
-      dbus \
-      ttf-freefont \
       chromium \
-      nss \
-      ca-certificates \
-      dumb-init
+      nss
 
 WORKDIR /app
 
diff --git a/package.json b/package.json
index 024dfcd..70defc8 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "next": "^6.0.3",
     "next-offline": "^2.9.0",
     "now-logs": "^0.0.7",
-    "puppeteer": "1.4.0",
+    "puppeteer": "1.7.0",
     "react": "16.3.*",
     "react-click-outside": "^3.0.0",
     "react-codemirror2": "^5.0.0",
diff --git a/yarn.lock b/yarn.lock
index 0db4fdc..16e15fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2783,7 +2783,7 @@ extract-zip@1.6.6:
     mkdirp "0.5.0"
     yauzl "2.4.1"
 
-extract-zip@^1.6.5:
+extract-zip@^1.6.6:
   version "1.6.7"
   resolved "https://registry.yarnpkg.com/extract-zip/-/extract-zip-1.6.7.tgz#a840b4b8af6403264c8db57f4f1a74333ef81fe9"
   dependencies:
@@ -3440,7 +3440,7 @@ https-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
 
-https-proxy-agent@^2.1.0:
+https-proxy-agent@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz#51552970fa04d723e04c56d04178c3f92592bbc0"
   dependencies:
@@ -5659,18 +5659,18 @@ punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
-puppeteer@1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.4.0.tgz#437f0f3450d76e437185c0bf06f446e80f184692"
+puppeteer@1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.7.0.tgz#edcba2300a50847202c0f19fd15e7a96171ff3bd"
   dependencies:
     debug "^3.1.0"
-    extract-zip "^1.6.5"
-    https-proxy-agent "^2.1.0"
+    extract-zip "^1.6.6"
+    https-proxy-agent "^2.2.1"
     mime "^2.0.3"
     progress "^2.0.0"
     proxy-from-env "^1.0.0"
     rimraf "^2.6.1"
-    ws "^3.0.0"
+    ws "^5.1.1"
 
 q@^1.1.2:
   version "1.5.1"
@@ -6958,10 +6958,6 @@ ultron@1.0.x:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.0.2.tgz#ace116ab557cd197386a4e88f4685378c8b2e4fa"
 
-ultron@~1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
-
 unfetch@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/unfetch/-/unfetch-3.0.0.tgz#8d1e0513a4ecd0e5ff2d41a6ba77771aae8b6482"
@@ -7483,13 +7479,11 @@ write@^0.2.1:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@^3.0.0:
-  version "3.3.3"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-3.3.3.tgz#f1cf84fe2d5e901ebce94efaece785f187a228f2"
+ws@^5.1.1:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
   dependencies:
     async-limiter "~1.0.0"
-    safe-buffer "~5.1.0"
-    ultron "~1.1.0"
 
 ws@~1.1.5:
   version "1.1.5"