diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 82b31ab..5bab2fb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   test:
     name: Test
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     services:
       postgres:
         image: postgres:11
diff --git a/Gemfile b/Gemfile
index e56bdb6..cedbfed 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,7 @@ group :development, :test do
   gem "rubocop-faker"
 
   gem "decidim-dev", DECIDIM_VERSION
-  gem "rubocop-ast", "~> 1.31", ">= 1.31.2"
+  gem "rubocop-ast", "1.31.2"
 end
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index a4d77c8..4adb14e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -795,8 +795,8 @@ GEM
       rubocop-ast (>= 1.17.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.32.3)
-      parser (>= 3.3.1.0)
+    rubocop-ast (1.31.2)
+      parser (>= 3.3.0.4)
     rubocop-faker (1.1.0)
       faker (>= 2.12.0)
       rubocop (>= 0.82.0)
@@ -957,7 +957,7 @@ DEPENDENCIES
   listen (~> 3.1)
   puma (>= 5.0.0)
   rspec
-  rubocop-ast (~> 1.31, >= 1.31.2)
+  rubocop-ast (= 1.31.2)
   rubocop-faker
   sentry-rails
   sentry-ruby