diff --git a/content/install.md b/content/install.md
index aa7f1c3e..4ad50e21 100644
--- a/content/install.md
+++ b/content/install.md
@@ -73,7 +73,7 @@ sudo nix run \
      --experimental-features "nix-command flakes" \
      --extra-substituters https://cache.lix.systems \
      --trusted-public-keys "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o=" \
-     'git+https://git@git.lix.systems/lix-project/lix?ref=refs/tags/2.90-beta.0' -- \
+     'git+https://git@git.lix.systems/lix-project/lix?ref=refs/tags/2.90-beta.1' -- \
      upgrade-nix
 ```