diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8fe6500b..b8cf75f3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -76,9 +76,15 @@ jobs:
           path: |
             docs/**/*
 
-  build_alpine:
+  build_alpine_x86_64:
+    # FIXME(SA): add aarch64 for Alpine Linux
+    # Right now github does not allow to execute JS-based actions (like
+    # download-artifact) inside alpine container, throwing the following
+    # message:
+    #
+    #   JavaScript Actions in Alpine containers are only supported on x64 Linux
+    #   runners. Detected Linux Arm64
     needs: source
-    name: alpine
     runs-on: ubuntu-22.04
     container:
       image: alpine:3.18
@@ -114,7 +120,7 @@ jobs:
           name: scripts-${{ needs.source.outputs.gem_version }}
       - name: Install build environment
         env:
-          SUPPORTED_RUBY_VERSIONS: "3.1 3.2 3.3"
+          SUPPORTED_RUBY_VERSIONS: "3.1 3.2 3.3 3.4"
         run: |
           bash bin/jenkins/install-rubies.sh
       - uses: actions/download-artifact@v4
@@ -123,7 +129,7 @@ jobs:
           name: couchbase-${{ needs.source.outputs.gem_version }}
       - name: Build gem
         env:
-          SUPPORTED_RUBY_VERSIONS: "3.1 3.2 3.3"
+          SUPPORTED_RUBY_VERSIONS: "3.1 3.2 3.3 3.4"
           BUNDLE_ALLOW_ROOT: true
         run: |
           bash bin/jenkins/build-gem.sh
@@ -135,7 +141,7 @@ jobs:
 
   build_linux_x86_64:
     needs: source
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -143,6 +149,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: hendrikmuhs/ccache-action@v1.2
         with:
@@ -190,9 +197,13 @@ jobs:
         with:
           path: pkg/binary/3.3
           name: couchbase-${{ needs.source.outputs.gem_version }}-x86_64-linux-3.3
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.4
+          name: couchbase-${{ needs.source.outputs.gem_version }}-x86_64-linux-3.4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3
+          ruby-version: 3.4
       - name: Repackage
         run: |
           ruby bin/jenkins/repackage-extension.rb
@@ -202,6 +213,80 @@ jobs:
           path: |
             pkg/fat/*.gem
 
+  build_linux_aarch64:
+    needs: source
+    runs-on: ubuntu-22.04-arm
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - '3.1'
+          - '3.2'
+          - '3.3'
+          - '3.4'
+    steps:
+      - uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          max-size: 2G
+          key: ${{ github.job }}-${{ matrix.ruby }}
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - uses: actions/download-artifact@v4
+        with:
+          name: couchbase-${{ needs.source.outputs.gem_version }}
+      - name: Precompile
+        env:
+          CB_STATIC_BORINGSSL: 1
+          CB_STATIC_STDLIB: 1
+          CB_REMOVE_EXT_DIRECTORY: 1
+        run: |
+          gem install gem-compiler
+          gem compile --strip --prune couchbase-${{ needs.source.outputs.gem_version }}.gem
+      - uses: actions/upload-artifact@v4
+        with:
+          retention-days: 1
+          name: couchbase-${{ needs.source.outputs.gem_version }}-aarch64-linux-${{ matrix.ruby }}
+          path: |
+            *-aarch64-linux.gem
+
+  repackage_linux_aarch64:
+    needs:
+      - source
+      - build_linux_aarch64
+    runs-on: ubuntu-22.04-arm
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: scripts-${{ needs.source.outputs.gem_version }}
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.1
+          name: couchbase-${{ needs.source.outputs.gem_version }}-aarch64-linux-3.1
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.2
+          name: couchbase-${{ needs.source.outputs.gem_version }}-aarch64-linux-3.2
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.3
+          name: couchbase-${{ needs.source.outputs.gem_version }}-aarch64-linux-3.3
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.4
+          name: couchbase-${{ needs.source.outputs.gem_version }}-aarch64-linux-3.4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.4
+      - name: Repackage
+        run: |
+          ruby bin/jenkins/repackage-extension.rb
+      - uses: actions/upload-artifact@v4
+        with:
+          name: couchbase-${{ needs.source.outputs.gem_version }}-aarch64-linux
+          path: |
+            pkg/fat/*.gem
+
   build_macos_arm64:
     needs: source
     runs-on: macos-14
@@ -212,6 +297,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: hendrikmuhs/ccache-action@v1.2
         with:
@@ -259,9 +345,13 @@ jobs:
         with:
           path: pkg/binary/3.3
           name: couchbase-${{ needs.source.outputs.gem_version }}-arm64-darwin-3.3
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.4
+          name: couchbase-${{ needs.source.outputs.gem_version }}-arm64-darwin-3.4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3
+          ruby-version: 3.4
       - name: Repackage
         run: |
           ruby bin/jenkins/repackage-extension.rb
@@ -281,6 +371,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: hendrikmuhs/ccache-action@v1.2
         with:
@@ -328,9 +419,13 @@ jobs:
         with:
           path: pkg/binary/3.3
           name: couchbase-${{ needs.source.outputs.gem_version }}-x86_64-darwin-3.3
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.4
+          name: couchbase-${{ needs.source.outputs.gem_version }}-x86_64-darwin-3.4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3
+          ruby-version: 3.4
       - name: Repackage
         run: |
           ruby bin/jenkins/repackage-extension.rb
@@ -353,6 +448,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -413,6 +509,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -476,6 +573,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -631,6 +729,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
       - uses: ruby/setup-ruby@v1
         with:
@@ -677,9 +776,13 @@ jobs:
         with:
           path: pkg/binary/3.3
           name: couchbase-${{ needs.source.outputs.gem_version }}-x64-mingw-3.3
+      - uses: actions/download-artifact@v4
+        with:
+          path: pkg/binary/3.4
+          name: couchbase-${{ needs.source.outputs.gem_version }}-x64-mingw-3.4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3
+          ruby-version: 3.4
       - name: Repackage
         run: |
           ruby bin/jenkins/repackage-extension.rb
@@ -711,6 +814,7 @@ jobs:
   #         - '3.1'
   #         - '3.2'
   #         - '3.3'
+  #         - '3.4'
   #   steps:
   #     - uses: actions/download-artifact@v4
   #       with:
diff --git a/Gemfile b/Gemfile
index c3618a84..261e2d87 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,6 +23,7 @@ gem "rake"
 
 group :development do
   gem "activesupport", "~> 7.0.3"
+  gem "drb"
   gem "faker"
   gem "flay"
   gem "flog"
@@ -31,6 +32,7 @@ group :development do
   gem "heckle"
   gem "minitest"
   gem "minitest-reporters"
+  gem "mutex_m"
   gem "rack"
   gem "reek"
   gem "rubocop", require: false