diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dac61797..20e32c52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,9 +27,9 @@ jobs:
       uses: actions/checkout@master
 
     - name: Setup Ruby
-      uses: actions/setup-ruby@v1
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '2.6'
+        ruby-version: '3.0'
 
     - name: Setup Bundle
       run: |
diff --git a/Gemfile b/Gemfile
index 723a32db..9f127bd4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,2 @@
 source 'https://rubygems.org'
-gem 'vim-flavor', '~> 2.2.2'
+gem 'vim-flavor', '~> 4.0.1'