diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 297e936c..1a3b1061 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -23,7 +23,6 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
           bundler-cache: true
       - name: Setup Pages
         id: pages
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 61fa67d0..9bace5e7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     uses: ruby/actions/.github/workflows/ruby_versions.yml@master
     with:
       engine: cruby
-      min_version: 3.1
+      min_version: 3.2
 
   build:
     needs: ruby-versions
diff --git a/net-imap.gemspec b/net-imap.gemspec
index d52abfad..f765f39d 100644
--- a/net-imap.gemspec
+++ b/net-imap.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
   spec.summary       = %q{Ruby client api for Internet Message Access Protocol}
   spec.description   = %q{Ruby client api for Internet Message Access Protocol}
   spec.homepage      = "https://github.com/ruby/net-imap"
-  spec.required_ruby_version = Gem::Requirement.new(">= 3.1.0")
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.2.0")
   spec.licenses       = ["Ruby", "BSD-2-Clause"]
 
   spec.metadata["homepage_uri"] = spec.homepage