diff --git a/.github/workflows/grpc.yml b/.github/workflows/grpc-3.2.yml
similarity index 100%
rename from .github/workflows/grpc.yml
rename to .github/workflows/grpc-3.2.yml
diff --git a/.github/workflows/grpc-3.4.yml b/.github/workflows/grpc-3.4.yml
new file mode 100644
index 0000000..9777240
--- /dev/null
+++ b/.github/workflows/grpc-3.4.yml
@@ -0,0 +1,37 @@
+name: "aws-lambda-ruby-grpc:3.4"
+
+on:
+  pull_request:
+    paths:
+      - "grpc/ruby-3.4/Dockerfile"
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU (for emulation)
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+          driver-opts: image=moby/buildkit:master
+
+      - name: Log in to Docker Hub Container Registry
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: ./grpc/ruby-3.4/
+          file: ./grpc/ruby-3.4/Dockerfile
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/aws-lambda-ruby-grpc:3.4
diff --git a/grpc/ruby-3.4/Dockerfile b/grpc/ruby-3.4/Dockerfile
new file mode 100644
index 0000000..865e3d7
--- /dev/null
+++ b/grpc/ruby-3.4/Dockerfile
@@ -0,0 +1,17 @@
+FROM public.ecr.aws/lambda/ruby:3.4
+
+RUN dnf update -y && \
+    dnf install -y \
+        ruby-devel \
+        make gcc gcc-c++ \
+        openssl-devel zlib-devel libffi-devel \
+        git patch tar && \
+    dnf clean all
+
+COPY Gemfile .
+COPY Gemfile.lock .
+
+RUN bundle config set deployment true && \
+    bundle config set without 'test development'
+
+RUN BUNDLE_FORCE_RUBY_PLATFORM=true bundle
diff --git a/grpc/ruby-3.4/Gemfile b/grpc/ruby-3.4/Gemfile
new file mode 100644
index 0000000..a957f6c
--- /dev/null
+++ b/grpc/ruby-3.4/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'grpc'
diff --git a/grpc/ruby-3.4/Gemfile.lock b/grpc/ruby-3.4/Gemfile.lock
new file mode 100644
index 0000000..e175f54
--- /dev/null
+++ b/grpc/ruby-3.4/Gemfile.lock
@@ -0,0 +1,22 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    bigdecimal (3.2.2)
+    google-protobuf (4.32.0)
+      bigdecimal
+      rake (>= 13)
+    googleapis-common-protos-types (1.20.0)
+      google-protobuf (>= 3.18, < 5.a)
+    grpc (1.74.1)
+      google-protobuf (>= 3.25, < 5.0)
+      googleapis-common-protos-types (~> 1.0)
+    rake (13.3.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  grpc
+
+BUNDLED WITH
+   2.7.1