diff --git a/.github/workflows/rubygems.yml b/.github/workflows/rubygems.yml
index b5b03b5..daf19f3 100644
--- a/.github/workflows/rubygems.yml
+++ b/.github/workflows/rubygems.yml
@@ -38,7 +38,7 @@ jobs:
           - ruby: { name: jruby-9.4, value: jruby-9.4.2.0 }
             os: { name: Ubuntu, value: ubuntu-22.04 }
 
-          - ruby: { name: truffleruby-22, value: truffleruby-22.3.0 }
+          - ruby: { name: truffleruby-24, value: truffleruby-24.1.0 }
             os: { name: Ubuntu, value: ubuntu-22.04 }
 
           - os: { name: Windows, value: windows-2022 }
@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup ruby (Ubuntu/macOS)
-        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
+        uses: ruby/setup-ruby@f321cf5a4d1533575411f8752cf25b86478b0442 # v1.193.0
         with:
           ruby-version: ${{ matrix.ruby.value }}
           bundler-cache: true
diff --git a/Gemfile.lock b/Gemfile.lock
index 2410d0f..863df1c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,4 +70,4 @@ DEPENDENCIES
   yard (~> 0.9)
 
 BUNDLED WITH
-   2.4.12
+   2.5.21