diff --git a/package.json b/package.json
index 1f5d862..13b4e29 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,8 @@
       "maintainer": "Akash Nimare <svnitakash@gmail.com>"
     },
     "deb": {
-      "synopsis": "Zulip Desktop App"
+      "synopsis": "Zulip Desktop App",
+      "afterInstall": "./scripts/debian-add-repo.sh"
     },
     "dmg": {
       "background": "build/appdmg.png",
diff --git a/scripts/debian-add-repo.sh b/scripts/debian-add-repo.sh
new file mode 100644
index 0000000..f7158ff
--- /dev/null
+++ b/scripts/debian-add-repo.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+if ! grep ^ /etc/apt/sources.list /etc/apt/sources.list.d/* | grep zulip; then
+  sudo apt-key adv --keyserver pool.sks-keyservers.net --recv 69AD12704E71A4803DCA3A682424BE5AE9BD10D9
+  echo "deb https://dl.bintray.com/zulip/debian/ stable main" | \
+  sudo tee -a /etc/apt/sources.list.d/zulip.list
+fi