diff --git a/puppet/Dockerfile b/puppet/Dockerfile
index b0014d8..5c72ffc 100644
--- a/puppet/Dockerfile
+++ b/puppet/Dockerfile
@@ -1,8 +1,14 @@
-FROM node:lts-alpine AS builder
+FROM node:14-alpine3.12
 
+RUN echo $'\
+@edge http://dl-cdn.alpinelinux.org/alpine/edge/main\n\
+@edge http://dl-cdn.alpinelinux.org/alpine/edge/testing\n\
+@edge http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories
+
+RUN apk add --no-cache chromium@edge
 WORKDIR /opt/mautrix-amp/puppet
 COPY package.json yarn.lock ./
-RUN yarn --production
+RUN yarn --production && rm -rf node_modules/puppeteer/.local-chromium
 
 COPY . /opt/mautrix-amp/puppet
 CMD ["yarn", "start", "/data/config.json"]
diff --git a/puppet/package.json b/puppet/package.json
index 256ae53..964c6c0 100644
--- a/puppet/package.json
+++ b/puppet/package.json
@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "chrono-node": "^2.1.7",
-    "puppeteer": "^5.2.1"
+    "puppeteer": "5.1.0"
   },
   "devDependencies": {
     "babel-eslint": "^10.1.0",
diff --git a/puppet/yarn.lock b/puppet/yarn.lock
index dcc0480..1f94340 100644
--- a/puppet/yarn.lock
+++ b/puppet/yarn.lock
@@ -359,10 +359,10 @@ define-properties@^1.1.2, define-properties@^1.1.3:
   dependencies:
     object-keys "^1.0.12"
 
-devtools-protocol@0.0.781568:
-  version "0.0.781568"
-  resolved "https://registry.yarnpkg.com/devtools-protocol/-/devtools-protocol-0.0.781568.tgz#4cdca90a952d2c77831096ff6cd32695d8715a04"
-  integrity sha512-9Uqnzy6m6zEStluH9iyJ3iHyaQziFnMnLeC8vK0eN6smiJmIx7+yB64d67C2lH/LZra+5cGscJAJsNXO+MdPMg==
+devtools-protocol@0.0.767361:
+  version "0.0.767361"
+  resolved "https://registry.yarnpkg.com/devtools-protocol/-/devtools-protocol-0.0.767361.tgz#5977f2558b84f9df36f62501bdddb82f3ae7b66b"
+  integrity sha512-ziRTdhEVQ9jEwedaUaXZ7kl9w9TF/7A3SXQ0XuqrJB+hMS62POHZUWTbumDN2ehRTfvWqTPc2Jw4gUl/jggmHA==
 
 doctrine@1.5.0:
   version "1.5.0"
@@ -930,6 +930,11 @@ minimist@^1.2.0, minimist@^1.2.5:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
   integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
+mitt@^2.0.1:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/mitt/-/mitt-2.1.0.tgz#f740577c23176c6205b121b2973514eade1b2230"
+  integrity sha512-ILj2TpLiysu2wkBbWjAmww7TkZb65aiQO+DkVdUTBpBXq+MHYiETENkKFMtsJZX1Lf4pe4QOrTSjIfUwN5lRdg==
+
 mkdirp-classic@^0.5.2:
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz#fa10c9115cc6d8865be221ba47ee9bed78601113"
@@ -1152,16 +1157,17 @@ punycode@^2.1.0:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
 
-puppeteer@^5.2.1:
-  version "5.2.1"
-  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-5.2.1.tgz#7f0564f0a5384f352a38c8cc42af875cd87f4ea6"
-  integrity sha512-PZoZG7u+T6N1GFWBQmGVG162Ak5MAy8nYSVpeeQrwJK2oYUlDWpHEJPcd/zopyuEMTv7DiztS1blgny1txR2qw==
+puppeteer@5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-5.1.0.tgz#e7bae2caa6e3a13a622755e4c27689d9812c38ca"
+  integrity sha512-IZBFG8XcA+oHxYo5rEpJI/HQignUis2XPijPoFpNxla2O+WufonGsUsSqrhRXgBKOME5zNfhRdUY2LvxAiKlhw==
   dependencies:
     debug "^4.1.0"
-    devtools-protocol "0.0.781568"
+    devtools-protocol "0.0.767361"
     extract-zip "^2.0.0"
     https-proxy-agent "^4.0.0"
     mime "^2.0.3"
+    mitt "^2.0.1"
     pkg-dir "^4.2.0"
     progress "^2.0.1"
     proxy-from-env "^1.0.0"