diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cead095..9367574 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   RSpec:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v6
       - uses: browser-actions/setup-firefox@v1
diff --git a/Gemfile.lock b/Gemfile.lock
index f549509..bdcefd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -198,7 +198,7 @@ GEM
     puma (8.0.2)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.2.7)
+    rack (3.2.8)
     rack-cors (3.0.0)
       logger
       rack (>= 3.0.14)