From 860296eca0126adb97c783df1632fb332b22017f Mon Sep 17 00:00:00 2001
From: Johannes Schilling <dario@deaktualisierung.org>
Date: Sat, 28 Mar 2026 23:28:37 +0100
Subject: [PATCH] README: add espflash, --locked to install lines

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0a985f1..90e1654 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@
 ## Toolchain
 
 ```sh
-cargo install espup
+cargo install espup --locked
+cargo install espflash --locked
 espup install  --name book-1.0.0 --toolchain-version 1.90.0
 ```