diff --git a/README.md b/README.md
index 9d187d3..9be370c 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 ## Usage:
 
 1. download `bodies.json` and `systemsWithCoordinates.json` from https://www.edsm.net/en/nightly-dumps/ and place them in the `dumps` folder
-2. run `cargo install --path .` or `cargo install --git https://gitlab.com/Earthnuker/ed_lrr.git`
+2. run `cargo +nightly install --path .` or `cargo +nightly install --git https://gitlab.com/Earthnuker/ed_lrr.git`
 3. run `ed_lrr_pp --bodies dumps/bodies.json --systems dumps/systemsWithCoordinates.json`
     - Alternatively run `process.py` in the `dumps` folder
 4. run `ed_lrr --help`