diff --git a/.github/actions/build-layer/action.yml b/.github/actions/build-layer/action.yml
index 34806538cc..7de82593c8 100644
--- a/.github/actions/build-layer/action.yml
+++ b/.github/actions/build-layer/action.yml
@@ -5,6 +5,10 @@ inputs:
   language:
     description: 'Language of the layer to build (nodejs, python, ruby, javaagent, javawrapper)'
     required: true
+  architecture:
+    description: 'Target architecture (amd64 or arm64). Only used for ruby.'
+    required: false
+    default: amd64
 
 outputs:
   artifact-path:
@@ -28,6 +32,8 @@ runs:
     - if: ${{ inputs.language == 'ruby' }}
       id: ruby
       uses: ./.github/actions/build-ruby-layer
+      with:
+        architecture: ${{ inputs.architecture }}
 
     - if: ${{ inputs.language == 'javaagent' || inputs.language == 'javawrapper' }}
       id: java
diff --git a/.github/actions/build-ruby-layer/action.yml b/.github/actions/build-ruby-layer/action.yml
index 0fc7f4597f..0d7376671d 100644
--- a/.github/actions/build-ruby-layer/action.yml
+++ b/.github/actions/build-ruby-layer/action.yml
@@ -1,10 +1,16 @@
 name: 'Build Ruby Lambda Layer'
 description: 'Builds the OpenTelemetry Ruby Lambda layer'
 
+inputs:
+  architecture:
+    description: 'Target architecture (amd64 or arm64)'
+    required: false
+    default: amd64
+
 outputs:
   artifact-path:
     description: 'Absolute path to the layer zip artifact'
-    value: ${{ github.workspace }}/ruby/src/build/opentelemetry-ruby-layer.zip
+    value: ${{ github.workspace }}/ruby/src/build/opentelemetry-ruby-layer-${{ inputs.architecture }}.zip
   component-version:
     description: 'OpenTelemetry Ruby SDK version included in the layer'
     value: ${{ steps.version.outputs.component-version }}
@@ -15,14 +21,17 @@ runs:
     - name: Build Ruby layer
       shell: bash
       working-directory: ruby/src
+      env:
+        ARCH: ${{ inputs.architecture }}
       run: ./build.sh
 
     - name: Save Ruby OpenTelemetry SDK version
+      if: ${{ inputs.architecture == 'amd64' }}
       id: version
       shell: bash
       working-directory: ruby/src
       run: |
-        unzip -q build/opentelemetry-ruby-layer.zip
+        unzip -q build/opentelemetry-ruby-layer-amd64.zip
         export GEM_PATH=$PWD/ruby/gems/3.3.0/
         SDK_VERSION=$(ruby -e 'require "opentelemetry-sdk"; puts OpenTelemetry::SDK::VERSION')
         echo "component-version=$SDK_VERSION" >> "$GITHUB_OUTPUT"
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 4d3aebb93e..1d12fc7207 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -66,20 +66,34 @@ jobs:
   build-layer:
     needs: prepare-languages
     if: ${{ !inputs.use-existing-layer-artifact }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.architecture == 'arm64' && 'ubuntu-24.04-arm' || 'ubuntu-latest' }}
     strategy:
       fail-fast: false
       matrix:
         language: ${{ fromJson(needs.prepare-languages.outputs.languages) }}
+        architecture: [amd64, arm64]
+        exclude:
+          - language: nodejs
+            architecture: arm64
+          - language: python
+            architecture: arm64
+          - language: javaagent
+            architecture: arm64
+          - language: javawrapper
+            architecture: arm64
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: ./.github/actions/build-layer
         id: build
         with:
           language: ${{ matrix.language }}
+          architecture: ${{ matrix.architecture }}
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
-          name: opentelemetry-${{ matrix.language }}-layer.zip
+          name: >-
+            ${{ matrix.language == 'ruby'
+              && format('opentelemetry-ruby-layer-{0}.zip', matrix.architecture)
+              || format('opentelemetry-{0}-layer.zip', matrix.language) }}
           path: ${{ steps.build.outputs.artifact-path }}
 
   test:
@@ -111,7 +125,10 @@ jobs:
 
       - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
-          name: opentelemetry-${{ matrix.language }}-layer.zip
+          name: >-
+            ${{ matrix.language == 'ruby'
+              && format('opentelemetry-ruby-layer-{0}.zip', matrix.architecture)
+              || format('opentelemetry-{0}-layer.zip', matrix.language) }}
           path: artifacts/
 
       - uses: aws-actions/configure-aws-credentials@ec61189d14ec14c8efccab744f656cffd0e33f37 # v6.1.0
@@ -148,6 +165,9 @@ jobs:
           TEST_LANGUAGE: ${{ matrix.language }}
           TEST_ARCHITECTURE: ${{ matrix.architecture }}
           COLLECTOR_LAYER_ZIP: ${{ github.workspace }}/artifacts/opentelemetry-collector-layer-${{ matrix.architecture }}.zip
-          INSTRUMENTATION_LAYER_ZIP: ${{ github.workspace }}/artifacts/opentelemetry-${{ matrix.language }}-layer.zip
+          INSTRUMENTATION_LAYER_ZIP: >-
+            ${{ matrix.language == 'ruby'
+              && format('{0}/artifacts/opentelemetry-ruby-layer-{1}.zip', github.workspace, matrix.architecture)
+              || format('{0}/artifacts/opentelemetry-{1}-layer.zip', github.workspace, matrix.language) }}
           GITHUB_RUN_ID: ${{ github.run_id }}
           GITHUB_RUN_ATTEMPT: ${{ github.run_attempt }}
diff --git a/.github/workflows/release-layer-ruby.yml b/.github/workflows/release-layer-ruby.yml
index c1be779f58..0eae4979c8 100644
--- a/.github/workflows/release-layer-ruby.yml
+++ b/.github/workflows/release-layer-ruby.yml
@@ -11,7 +11,13 @@ permissions:
 
 jobs:
   build-layer:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.architecture == 'arm64' && 'ubuntu-24.04-arm' || 'ubuntu-latest' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        architecture:
+          - amd64
+          - arm64
     outputs:
       component-version: ${{ steps.build.outputs.component-version }}
     steps:
@@ -19,11 +25,13 @@ jobs:
 
       - uses: ./.github/actions/build-ruby-layer
         id: build
+        with:
+          architecture: ${{ matrix.architecture }}
 
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         name: Save assembled layer to build
         with:
-          name: opentelemetry-ruby-layer.zip
+          name: opentelemetry-ruby-layer-${{ matrix.architecture }}.zip
           path: ${{ steps.build.outputs.artifact-path }}
 
   integration-test:
@@ -52,21 +60,30 @@ jobs:
 
       - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
-          name: opentelemetry-ruby-layer.zip
+          name: opentelemetry-ruby-layer-amd64.zip
 
-      - name: Add Binary to Release
-        run: gh release upload ${{ github.ref_name }} opentelemetry-ruby-layer.zip
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          name: opentelemetry-ruby-layer-arm64.zip
+
+      - name: Add Binaries to Release
+        run: |
+          gh release upload ${{ github.ref_name }} opentelemetry-ruby-layer-amd64.zip
+          gh release upload ${{ github.ref_name }} opentelemetry-ruby-layer-arm64.zip
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
   publish-layer:
-    permissions: # required by the reusable workflow
+    permissions:
       contents: read
       id-token: write
     uses: ./.github/workflows/layer-publish.yml
     needs: [build-layer, create-release]
     strategy:
       matrix:
+        architecture:
+          - amd64
+          - arm64
         aws_region:
           - af-south-1
           - ap-east-1
@@ -103,9 +120,10 @@ jobs:
           - us-west-1
           - us-west-2
     with:
-      artifact-name: opentelemetry-ruby-layer.zip
+      artifact-name: opentelemetry-ruby-layer-${{ matrix.architecture }}.zip
       layer-name: opentelemetry-ruby
       component-version: ${{ needs.build-layer.outputs.component-version }}
+      architecture: ${{ matrix.architecture }}
       runtimes: ruby3.3 ruby3.4
       release-group: prod
       aws_region: ${{ matrix.aws_region }}
diff --git a/ruby/src/build.sh b/ruby/src/build.sh
index 01503ee944..672cc150ed 100755
--- a/ruby/src/build.sh
+++ b/ruby/src/build.sh
@@ -1,7 +1,16 @@
 #!/bin/sh
 set -e
 
+ARCH=${ARCH:-amd64}
+PLATFORM="linux/${ARCH}"
+
 mkdir -p build
 
-docker build --progress plain -t aws-otel-lambda-ruby-layer otel
-docker run --rm -v "$(pwd)/build:/out" aws-otel-lambda-ruby-layer
+docker build --progress plain --platform "$PLATFORM" \
+  -t "aws-otel-lambda-ruby-layer-${ARCH}" otel
+
+docker run --rm --platform "$PLATFORM" \
+  -v "$(pwd)/build:/out" \
+  "aws-otel-lambda-ruby-layer-${ARCH}"
+
+mv build/opentelemetry-ruby-layer.zip "build/opentelemetry-ruby-layer-${ARCH}.zip"