diff --git a/README.md b/README.md
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@@ -2,6 +2,8 @@
 
 A WireGuard®-based mesh network that connects your devices into a single private network.
 
+**Note**: The `main` branch may be in an *unstable or even broken state* during development. For stable versions, see [releases](https://github.com/wiretrustee/wiretrustee/releases).
+
 ### Why using Wiretrustee?
 
 * Connect multiple devices to each other via a secure peer-to-peer Wireguard VPN tunnel. At home, the office, or anywhere else.