diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7297ede1..7ab693aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,8 +23,8 @@ env:
 jobs:
   ruby_versions:
     outputs:
-      setup_ruby: "['3.1', '3.2', '3.3', '3.4']"
-      image_tag: "['3.1', '3.2', '3.3', '3.4']"
+      setup_ruby: "['3.2', '3.3', '3.4', '4.0']"
+      image_tag: "['3.2', '3.3', '3.4', '4.0']"
     runs-on: ubuntu-latest
     steps:
       - run: echo "generating rubies ..."
@@ -38,9 +38,9 @@ jobs:
       BUNDLE_WITHOUT: "" # we need rubocop, obviously
     steps:
       - uses: actions/checkout@v6
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@d3e3bd032ad2222a8ac878bbccf2aba78864e134
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: bundle exec rake rubocop
 
@@ -51,7 +51,8 @@ jobs:
       - uses: actions/checkout@v6
       - uses: ruby/setup-ruby-pkgs@v1
         with:
-          ruby-version: "3.3"
+          setup-ruby-ref: ruby/setup-ruby/d3e3bd032ad2222a8ac878bbccf2aba78864e134
+          ruby-version: "3.4"
           bundler-cache: true
           apt-get: libsqlite3-dev
       - run: bundle exec rake compile -- --enable-system-libraries
@@ -82,6 +83,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: ruby/setup-ruby-pkgs@v1
         with:
+          setup-ruby-ref: ruby/setup-ruby/d3e3bd032ad2222a8ac878bbccf2aba78864e134
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
           apt-get: libsqlite3-dev
@@ -150,6 +152,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: ruby/setup-ruby-pkgs@v1
         with:
+          setup-ruby-ref: ruby/setup-ruby/d3e3bd032ad2222a8ac878bbccf2aba78864e134
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
           apt-get: libsqlcipher-dev
@@ -166,7 +169,8 @@ jobs:
       - uses: actions/checkout@v6
       - uses: ruby/setup-ruby-pkgs@v1
         with:
-          ruby-version: "3.3"
+          setup-ruby-ref: ruby/setup-ruby/d3e3bd032ad2222a8ac878bbccf2aba78864e134
+          ruby-version: "3.4"
           bundler-cache: true
           apt-get: valgrind
       - uses: actions/cache@v4
@@ -191,9 +195,9 @@ jobs:
         with:
           path: ports/archives
           key: ports-archives-tarball-${{ hashFiles('ext/sqlite3/extconf.rb','dependencies.yml') }}
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@d3e3bd032ad2222a8ac878bbccf2aba78864e134
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: bundle exec ruby ./ext/sqlite3/extconf.rb --download-dependencies
       - id: rcd_image_version
@@ -209,9 +213,9 @@ jobs:
         with:
           path: ports/archives
           key: ports-archives-tarball-${{ hashFiles('ext/sqlite3/extconf.rb','dependencies.yml') }}
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@d3e3bd032ad2222a8ac878bbccf2aba78864e134
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: ./bin/test-gem-build gems ruby
       - uses: actions/upload-artifact@v5
@@ -237,6 +241,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: ruby/setup-ruby-pkgs@v1
         with:
+          setup-ruby-ref: ruby/setup-ruby/d3e3bd032ad2222a8ac878bbccf2aba78864e134
           ruby-version: ${{ matrix.ruby }}
           apt-get: libsqlite3-dev pkg-config
           mingw: sqlite3
@@ -344,7 +349,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v6
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@d3e3bd032ad2222a8ac878bbccf2aba78864e134
         with:
           ruby-version: "${{ matrix.ruby }}"
       - uses: actions/download-artifact@v6
@@ -360,13 +365,12 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { ruby: "3.1", flavor: "alpine3.18" }
-          - { ruby: "3.1", flavor: "alpine3.19" }
           - { ruby: "3.2", flavor: "alpine3.18" }
           - { ruby: "3.2", flavor: "alpine3.19" }
           - { ruby: "3.3", flavor: "alpine3.18" }
           - { ruby: "3.3", flavor: "alpine3.19" }
           - { ruby: "3.4", flavor: "alpine" }
+          - { ruby: "4.0", flavor: "alpine" }
     runs-on: ubuntu-latest
     container:
       image: ruby:${{matrix.ruby}}-${{matrix.flavor}}
diff --git a/Gemfile b/Gemfile
index 1c4bb9a1..767e9a4d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ group :test do
   gem "ruby_memcheck", "3.0.1" if Gem::Platform.local.os == "linux"
 
   gem "rake-compiler", "1.3.0"
-  gem "rake-compiler-dock", "1.10.0"
+  gem "rake-compiler-dock", "1.11.0"
 end
 
 group :development do
diff --git a/INSTALLATION.md b/INSTALLATION.md
index e3dd5f3f..1ef70977 100644
--- a/INSTALLATION.md
+++ b/INSTALLATION.md
@@ -7,7 +7,7 @@ This document will help you install the `sqlite3` ruby gem. It also contains ins
 
 ### Native Gems (recommended)
 
-In v2.0.0 and later, native (precompiled) gems are available for recent Ruby versions on these platforms:
+In v2.5.0 and later, native (precompiled) gems are available for recent Ruby versions on these platforms:
 
 - `aarch64-linux-gnu` (requires: glibc >= 2.29)
 - `aarch64-linux-musl`
@@ -15,30 +15,30 @@ In v2.0.0 and later, native (precompiled) gems are available for recent Ruby ver
 - `arm-linux-musl`
 - `arm64-darwin`
 - `x64-mingw-ucrt`
-- `x86-linux-gnu` (requires: glibc >= 2.17)
+- `x86-linux-gnu` (requires: glibc >= 2.29)
 - `x86-linux-musl`
 - `x86_64-darwin`
-- `x86_64-linux-gnu` (requires: glibc >= 2.17)
+- `x86_64-linux-gnu` (requires: glibc >= 2.29)
 - `x86_64-linux-musl`
 
 ⚠ Musl linux users should update to Bundler >= 2.5.6 to avoid https://github.com/rubygems/rubygems/issues/7432
 
 If you are using one of these Ruby versions on one of these platforms, the native gem is the recommended way to install sqlite3-ruby.
 
-For example, on a linux system running Ruby 3.1:
+For example, on a linux system running Ruby 3.4:
 
 ``` text
 $ ruby -v
-ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-linux]
+ruby 3.4.7 (2025-10-08 revision 7a5688e2a2) +PRISM [x86_64-linux]
 
 $ time gem install sqlite3
-Fetching sqlite3-1.5.0-x86_64-linux.gem
-Successfully installed sqlite3-1.5.0-x86_64-linux
+Fetching sqlite3-2.8.1-x86_64-linux-gnu.gem
+Successfully installed sqlite3-2.8.1-x86_64-linux-gnu
 1 gem installed
 
-real    0m4.274s
-user    0m0.734s
-sys     0m0.165s
+real    0m1.273s
+user    0m0.496s
+sys     0m0.078s
 ```
 
 #### Avoiding the precompiled native gem
diff --git a/bin/test-gem-file-contents b/bin/test-gem-file-contents
index 52a201fd..71610479 100755
--- a/bin/test-gem-file-contents
+++ b/bin/test-gem-file-contents
@@ -65,7 +65,7 @@ Minitest::Reporters.use!([Minitest::Reporters::SpecReporter.new])
 
 puts "Testing '#{gemfile}' (#{gemspec.platform})"
 describe File.basename(gemfile) do
-  let(:supported_ruby_versions) { ["3.1", "3.2", "3.3", "3.4"] }
+  let(:supported_ruby_versions) { ["3.2", "3.3", "3.4", "4.0"] }
 
   describe "setup" do
     it "gemfile contains some files" do
diff --git a/rakelib/native.rake b/rakelib/native.rake
index a42795f8..46fe78bd 100644
--- a/rakelib/native.rake
+++ b/rakelib/native.rake
@@ -19,7 +19,7 @@ cross_platforms = [
   "x86_64-darwin",
   "x64-mingw-ucrt"
 ]
-RakeCompilerDock.set_ruby_cc_version("~> 3.1")
+RakeCompilerDock.set_ruby_cc_version(">= 3.2")
 
 Gem::PackageTask.new(SQLITE3_SPEC).define # packaged_tarball version of the gem for platform=ruby
 task "package" => cross_platforms.map { |p| "gem:#{p}" } # "package" task for all the native platforms
diff --git a/sqlite3.gemspec b/sqlite3.gemspec
index 4754f624..f8d04639 100644
--- a/sqlite3.gemspec
+++ b/sqlite3.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
 
   s.licenses = ["BSD-3-Clause"]
 
-  s.required_ruby_version = Gem::Requirement.new(">= 3.1")
+  s.required_ruby_version = Gem::Requirement.new(">= 3.2")
 
   s.homepage = "https://github.com/sparklemotion/sqlite3-ruby"
   s.metadata = {