diff --git a/nixos-config/update.sh b/nixos-config/update.sh
index 80c7c1a5..0c39e787 100755
--- a/nixos-config/update.sh
+++ b/nixos-config/update.sh
@@ -6,4 +6,8 @@ git reset --hard
 git clean -fd
 git pull
 
+# regenerate hardware config
+nixos-generate-config
+
+# rebuild system
 nixos-rebuild switch