diff --git a/README.md b/README.md
index ecd68f8..866b7ef 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,15 @@ url = "https://example.com"
 user_id = "@user:example.com"
 ```
 
+## Installation (from source)
+
+Install Rust and Cargo using [rustup], and then run from the directory
+containing the sources (ie: from a git clone):
+
+```
+cargo install --locked --path .
+```
+
 ## Installation (via `crates.io`)
 
 Install Rust (1.83.0 or above) and Cargo, and then run:
@@ -145,3 +154,4 @@ iamb is released under the [Apache License, Version 2.0].
 [crates-io-iamb]: https://crates.io/crates/iamb
 [iamb.chat]: https://iamb.chat
 [well_known_entry]: https://spec.matrix.org/latest/client-server-api/#getwell-knownmatrixclient
+[rustup]: https://rustup.rs/