diff --git a/.github/actions/test_ruby_gem_uploads/action.yaml b/.github/actions/test_ruby_gem_uploads/action.yaml
index cdf20610..0eebc62d 100644
--- a/.github/actions/test_ruby_gem_uploads/action.yaml
+++ b/.github/actions/test_ruby_gem_uploads/action.yaml
@@ -41,6 +41,10 @@ inputs:
   knapsack-pro-test-suite-token-rspec:
     description: Optional Knapsack Pro test suite token for RSpec
     required: true
+  alpine:
+    description: Run the smoke specs inside a musl (Alpine) container via docker instead of on the host
+    required: false
+    default: "false"
 
 runs:
   using: composite
@@ -48,6 +52,7 @@ runs:
     - uses: actions/checkout@v4
 
     - uses: ruby/setup-ruby@v1
+      if: inputs.alpine != 'true'
       with:
         ruby-version: ${{ inputs.ruby-version }}
         bundler-cache: true
@@ -59,8 +64,40 @@ runs:
         path: ${{ github.action_path }}
         merge-multiple: true
 
+    - name: Run smoke specs in a musl (Alpine) container
+      if: inputs.alpine == 'true'
+      shell: bash
+      working-directory: ${{ github.action_path }}
+      env:
+        TRUNK_PUBLIC_API_ADDRESS: ${{ inputs.trunk-public-api-address }}
+        TRUNK_ORG_URL_SLUG: ${{ inputs.trunk-org-slug }}
+        TRUNK_API_TOKEN: ${{ inputs.trunk-token }}
+        TRUNK_TEST_COLLECTION_ID: ${{ inputs.test-collection-id }}
+        TRUNK_VARIANT: ${{ inputs.variant }}
+      run: |
+        set -euxo pipefail
+        GEM_FILE=$(ls rspec_trunk_flaky_tests-*.gem | head -n 1)
+        REL="${GITHUB_ACTION_PATH#"${GITHUB_WORKSPACE}"/}"
+
+        # Forward the (non-secret) GitHub CI context into the container.
+        env | grep -E '^GITHUB_' > "${RUNNER_TEMP}/ci.env" || true
+
+        docker run --rm \
+          --env-file "${RUNNER_TEMP}/ci.env" \
+          -e GEM_FILE="${GEM_FILE}" \
+          -e TRUNK_PUBLIC_API_ADDRESS -e TRUNK_ORG_URL_SLUG -e TRUNK_API_TOKEN \
+          -e TRUNK_TEST_COLLECTION_ID -e TRUNK_VARIANT \
+          -v "${GITHUB_WORKSPACE}:/work" -w "/work/${REL}" \
+          "ruby:${{ inputs.ruby-version }}-alpine" \
+          sh -euxc '
+            gem install rspec --no-document
+            gem install "./${GEM_FILE}" --local --no-document
+            rspec -Ispec spec/test_spec.rb spec/multiple_exception_spec.rb --format documentation
+          '
+
     - name: Setup gem
       id: setup-gem
+      if: inputs.alpine != 'true'
       shell: bash
       working-directory: ${{ github.action_path }}
       run: |
@@ -89,6 +126,7 @@ runs:
 
     - name: Run regular tests
       id: run-regular-tests
+      if: inputs.alpine != 'true'
       shell: bash
       working-directory: ${{ github.action_path }}
       run: |
@@ -117,6 +155,7 @@ runs:
 
     - name: Run variant quarantine test without variant (should fail - not quarantined)
       id: run-variant-test-no-variant
+      if: inputs.alpine != 'true'
       shell: bash
       working-directory: ${{ github.action_path }}
       run: |
@@ -138,6 +177,7 @@ runs:
 
     - name: Run variant quarantine test with variant (should pass - quarantined)
       id: run-variant-test-with-variant
+      if: inputs.alpine != 'true'
       shell: bash
       working-directory: ${{ github.action_path }}
       run: |
@@ -159,6 +199,7 @@ runs:
 
     - name: Run quarantine lookup failure abort test (should fail fast, skip slow_test)
       id: run-quarantine-abort-test
+      if: inputs.alpine != 'true'
       shell: bash
       working-directory: ${{ github.action_path }}
       run: |
@@ -184,7 +225,7 @@ runs:
 
     - name: Run knapsack_pro queue and verify a single local bundle
       shell: bash
-      if: inputs.knapsack-pro-test-suite-token-rspec != ''
+      if: inputs.alpine != 'true' && inputs.knapsack-pro-test-suite-token-rspec != ''
       working-directory: ${{ github.action_path }}
       env:
         KNAPSACK_PRO_TEST_DIR: spec
diff --git a/.github/workflows/release_ruby_gem.yml b/.github/workflows/release_ruby_gem.yml
index 41cf199b..cf9714db 100644
--- a/.github/workflows/release_ruby_gem.yml
+++ b/.github/workflows/release_ruby_gem.yml
@@ -48,8 +48,10 @@ jobs:
     strategy:
       matrix:
         platform:
-          - x86_64-linux
-          - aarch64-linux
+          - x86_64-linux-gnu
+          - x86_64-linux-musl
+          - aarch64-linux-gnu
+          - aarch64-linux-musl
           - arm64-darwin
           - x86_64-darwin
           - ruby
@@ -96,7 +98,7 @@ jobs:
         with:
           platform: ${{ matrix.platform }}
           working-directory: rspec-trunk-flaky-tests
-          ruby-versions: 3.0,3.1,3.2,3.3,3.4,4.0
+          ruby-versions: 3.1,3.2,3.3,3.4,4.0
 
       - name: Validate ruby platform gem
         if: matrix.platform == 'ruby'
@@ -115,11 +117,11 @@ jobs:
     needs: [ci-data, cross-gem]
     strategy:
       matrix:
-        ruby-version: ["3.0", "3.1", "3.2", "3.3", "3.4", "4.0"]
+        ruby-version: ["3.1", "3.2", "3.3", "3.4", "4.0"]
         platform:
-          - name: x86_64-linux
+          - name: x86_64-linux-gnu
             os: ubuntu-latest
-          - name: aarch64-linux
+          - name: aarch64-linux-gnu
             os: ubuntu-24.04-arm
           - name: arm64-darwin
             os: macos-latest
@@ -154,9 +156,40 @@ jobs:
           artifact-pattern: cross-gem-${{ matrix.platform.name }}
           knapsack-pro-test-suite-token-rspec: ${{ secrets.KNAPSACK_PRO_TEST_SUITE_TOKEN_RSPEC }}
 
+  # Validate the musl gems inside Alpine (ruby/setup-ruby has no Alpine support).
+  test-musl-gem:
+    name: Test ${{ matrix.platform.name }} gem on Alpine (ruby ${{ matrix.ruby-version }})
+    runs-on: ${{ matrix.platform.os }}
+    needs: cross-gem
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version: ["3.4"]
+        platform:
+          - name: x86_64-linux-musl
+            os: ubuntu-latest
+          - name: aarch64-linux-musl
+            os: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Test musl gem uploads → analytics-cli-ruby-gem (staging)
+        uses: ./.github/actions/test_ruby_gem_uploads
+        with:
+          alpine: "true"
+          ruby-version: ${{ matrix.ruby-version }}
+          trunk-token: ${{ secrets.TRUNK_STAGING_ORG_API_TOKEN }}
+          trunk-public-api-address: https://api.trunk-staging.io
+          trunk-org-slug: trunk-staging-org
+          test-collection-id: T5yKSn9h
+          platform: ${{ matrix.platform.name }}
+          variant: ${{ matrix.platform.name }}
+          artifact-pattern: cross-gem-${{ matrix.platform.name }}
+          knapsack-pro-test-suite-token-rspec: ${{ secrets.KNAPSACK_PRO_TEST_SUITE_TOKEN_RSPEC }}
+
   publish_ruby_gem:
     runs-on: ubuntu-latest
-    needs: test-ruby-gem
+    needs: [test-ruby-gem, test-musl-gem]
     steps:
       - uses: actions/checkout@v4
 
diff --git a/rspec-trunk-flaky-tests/README.md b/rspec-trunk-flaky-tests/README.md
index 9b54cbb8..9729f67f 100644
--- a/rspec-trunk-flaky-tests/README.md
+++ b/rspec-trunk-flaky-tests/README.md
@@ -15,7 +15,7 @@ The gem includes a native Rust extension (`rspec_trunk_flaky_tests`) that provid
 
 ## Prerequisites
 
-- Ruby 3.0 or later
+- Ruby 3.1 or later
 - Bundler
 - Rust and Cargo (for building the native extension)
 - `rb-sys` gem (installed automatically via dependencies)
@@ -57,13 +57,15 @@ The gem will be built and available in `pkg/`.
 Build the native extension for a specific platform:
 
 ```bash
-bundle exec rake native[x86_64-linux]
+bundle exec rake native[x86_64-linux-gnu]
 ```
 
 Supported platforms:
 
-- `x86_64-linux`
-- `aarch64-linux`
+- `x86_64-linux-gnu`
+- `x86_64-linux-musl` (Alpine and other musl-based distros)
+- `aarch64-linux-gnu`
+- `aarch64-linux-musl` (Alpine and other musl-based distros)
 - `arm64-darwin`
 - `x86_64-darwin`
 
@@ -249,8 +251,8 @@ To release a new version:
 1. Trigger the workflow manually via GitHub Actions UI or API
 2. Provide the release tag (version number) as input
 3. The workflow will:
-   - Build the gem for all supported platforms (`x86_64-linux`, `aarch64-linux`, `arm64-darwin`, `x86_64-darwin`)
-   - Test the gem on all platforms with Ruby versions 3.0, 3.1, 3.2, 3.3, and 3.4
+   - Build the gem for all supported platforms (`x86_64-linux-gnu`, `x86_64-linux-musl`, `aarch64-linux-gnu`, `aarch64-linux-musl`, `arm64-darwin`, `x86_64-darwin`)
+   - Test the gem on all platforms with Ruby versions 3.1, 3.2, 3.3, 3.4, and 4.0
    - Publish the gem to RubyGems if all tests pass
 
 The workflow automatically handles cross-compilation, testing, and publishing for all supported platforms.
diff --git a/rspec-trunk-flaky-tests/Rakefile b/rspec-trunk-flaky-tests/Rakefile
index ee7bc4ce..004f2b82 100644
--- a/rspec-trunk-flaky-tests/Rakefile
+++ b/rspec-trunk-flaky-tests/Rakefile
@@ -16,10 +16,10 @@ end
 desc 'Build native extension for a provided platform'
 task :native, [:platform] do |_t, platform:|
   Dir.chdir '..' do
-    if platform == 'x86_64-linux'
-      sh 'bundle', 'exec', 'rb-sys-dock', '--platform', platform, '--build', '--directory', 'rspec-trunk-flaky-tests', '--ruby-versions', '3.0,3.1,3.2,3.3,3.4,4.0', '--', 'sudo yum install -y perl-IPC-Cmd'
+    if %w[x86_64-linux-gnu x86_64-linux].include?(platform)
+      sh 'bundle', 'exec', 'rb-sys-dock', '--platform', platform, '--build', '--directory', 'rspec-trunk-flaky-tests', '--ruby-versions', '3.1,3.2,3.3,3.4,4.0', '--', 'sudo yum install -y perl-IPC-Cmd'
     else
-      sh 'bundle', 'exec', 'rb-sys-dock', '--platform', platform, '--build', '--directory', 'rspec-trunk-flaky-tests', '--ruby-versions', '3.0,3.1,3.2,3.3,3.4,4.0'
+      sh 'bundle', 'exec', 'rb-sys-dock', '--platform', platform, '--build', '--directory', 'rspec-trunk-flaky-tests', '--ruby-versions', '3.1,3.2,3.3,3.4,4.0'
     end
   end
 end
diff --git a/rspec-trunk-flaky-tests/lib/rspec_trunk_flaky_tests.rb b/rspec-trunk-flaky-tests/lib/rspec_trunk_flaky_tests.rb
index 2cfb671b..a8e053ba 100644
--- a/rspec-trunk-flaky-tests/lib/rspec_trunk_flaky_tests.rb
+++ b/rspec-trunk-flaky-tests/lib/rspec_trunk_flaky_tests.rb
@@ -15,7 +15,8 @@
       this dependency. It does not include a precompiled native extension.
 
       Precompiled native gems are available for:
-        x86_64-linux, aarch64-linux, arm64-darwin, x86_64-darwin
+        x86_64-linux-gnu, x86_64-linux-musl, aarch64-linux-gnu,
+        aarch64-linux-musl, arm64-darwin, x86_64-darwin
 
       If you are on a supported platform and seeing this error, make sure
       bundler is selecting the native variant for your platform:
diff --git a/rspec-trunk-flaky-tests/rspec_trunk_flaky_tests.gemspec b/rspec-trunk-flaky-tests/rspec_trunk_flaky_tests.gemspec
index 7a7cce90..c4cc2ed9 100644
--- a/rspec-trunk-flaky-tests/rspec_trunk_flaky_tests.gemspec
+++ b/rspec-trunk-flaky-tests/rspec_trunk_flaky_tests.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   # trunk-ignore(rubocop/Gemspec/RequiredRubyVersion)
-  s.required_ruby_version = '>= 3.0'
+  s.required_ruby_version = '>= 3.1'
   s.name        = 'rspec_trunk_flaky_tests'
   s.version     = '0.0.0'
   # trunk-ignore(rubocop/Layout/LineLength)