diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a8f5562..daeab5c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,12 +19,14 @@ jobs:
           - 27.1
           - 27.2
           - 28.1
+          - 28.2
+          - 29.1
           - snapshot
       fail-fast: false
     steps:
     - uses: actions/checkout@v3
     - name: Set up Emacs
-      uses: purcell/setup-emacs@v3.0
+      uses: purcell/setup-emacs@master
       with:
         version: ${{ matrix.emacs_version }}
 
diff --git a/move-text.el b/move-text.el
index 729d5c4..87e02c9 100644
--- a/move-text.el
+++ b/move-text.el
@@ -1,4 +1,4 @@
-;;; move-text.el --- Move current line or region with M-up or M-down.
+;;; move-text.el --- Move current line or region with M-up or M-down. -*- lexical-binding: t; -*-
 
 ;; filename: move-text.el
 ;; Description: Move current line or region with M-up or M-down.