diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..05688d1
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,32 @@
+sudo: required
+language: node_js
+node_js:
+    - "10"
+dist: trusty
+
+before_install:
+    - sudo apt-get -qq update
+
+install:
+    - sudo apt-get install p7zip-full
+    - npm install -g asar
+
+before_script:
+    - wget https://dl.google.com/chat/latest/InstallHangoutsChat.dmg
+    - 7z x InstallHangoutsChat.dmg
+    - mkdir t
+    - sudo mount -oloop *.hfs t
+
+script:
+    - ./generate_patch.sh t/Chat.app/Contents/Resources/electron.asar
+
+deploy:
+    provider: releases
+    api_key: $TOKEN
+    file:
+        - "out/slacktheme/electron.asar"
+        - "out/slacktheme/gmonkeyscript.js"
+    skip-cleanup: true
+    on:
+        tags: true
+    name: Release $TRAVIS_TAG $(date +'%d.%m.%Y')
diff --git a/README.md b/README.md
index b15c411..a0436cf 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,8 @@ Installing from official release files
 
 - Download the latest release from the 'releases' section:
 https://github.com/paveyry/Slack-Theme-for-Hangouts-Chat/releases
-- For the electron client: replace the official `electron.asar` with the patched one:
+- For the electron client: open the client at least once, then replace the official
+`electron.asar` with the patched one:
 `C:\Users\<username>\AppData\Local\Google\Hangouts Chat\resources` on Windows,
 `/Applications/Chat.app/Contents/Resources` on macOS
 - For the browser script, just paste the script in your greasemonkey or tampermonkey extension