diff --git a/README-install.md b/README-install.md
index c8e35ef..36bdc8c 100644
--- a/README-install.md
+++ b/README-install.md
@@ -427,6 +427,25 @@ sudo apt clean
 ### Install Yarn
 Install Yarn thusly:
 
+```
+# Set up repos
+echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+
+# Add repo key
+curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/yarnkey.gpg >/dev/null
+
+# Update repo, install, and clean.
+sudo apt update
+
+sudo apt install yarn
+
+sudo apt clean
+
+# Check OK:
+debian@mychestserver:~$ yarn --version
+1.22.17
+```
+
 
 ## Install Lila