diff --git a/nix/update-inputs.sh b/nix/update-inputs.sh
index eb4b7dd79..c34e40f6f 100755
--- a/nix/update-inputs.sh
+++ b/nix/update-inputs.sh
@@ -1,16 +1,25 @@
 #!/usr/bin/env -S nix shell nixpkgs#jq -c bash
 
-# Update inputs when the Mesa version is outdated. We don't want
+# Update inputs when the Mesa or QT version is outdated. We don't want
 # incompatibilities between the user's system and Hyprland.
 
 # get the current Nixpkgs revision
 REV=$(jq <flake.lock '.nodes.nixpkgs.locked.rev' -r)
-# check versions for current and remote nixpkgs' mesa
-CRT_VER=$(nix eval --raw github:nixos/nixpkgs/"$REV"#mesa.version)
-NEW_VER=$(nix eval --raw github:nixos/nixpkgs/nixos-unstable#mesa.version)
 
-if [ "$CRT_VER" != "$NEW_VER" ]; then
-  echo "Updating Mesa $CRT_VER -> $NEW_VER and flake inputs"
+get_ver() {
+  nix eval --raw "github:nixos/nixpkgs/$1#$2"
+}
+
+# check versions for current and remote nixpkgs'
+MESA_OLD=$(get_ver "$REV" mesa.version)
+MESA_NEW=$(get_ver nixos-unstable mesa.version)
+QT_OLD=$(get_ver "$REV" kdePackages.qtbase.version)
+QT_NEW=$(get_ver nixos-unstable kdePackages.qtbase.version)
+
+if [ "$MESA_OLD" != "$MESA_NEW" ] || [ "$QT_OLD" != "$QT_NEW" ]; then
+  echo "Updating flake inputs..."
+  echo "Mesa: $MESA_OLD -> $MESA_NEW"
+  echo "Qt:   $QT_OLD -> $QT_NEW"
 
   # update inputs to latest versions
   nix flake update