diff --git a/.github/workflows/layers_dispatch.yaml b/.github/workflows/layers_dispatch.yaml
index d4212de..f485243 100644
--- a/.github/workflows/layers_dispatch.yaml
+++ b/.github/workflows/layers_dispatch.yaml
@@ -34,65 +34,90 @@ jobs:
         id: latest_release
         run: |
           JSON_RESPONSE=$(curl -s https://api.github.com/repos/Sparticuz/chromium/releases/latest)
-          LATEST_RELEASE_URL=$(echo $JSON_RESPONSE | grep -Po '"browser_download_url": "\K[^"]+' | awk 'NR==1')
           TAG_VERSION=$(echo $JSON_RESPONSE | grep -Po '"tag_name": "\K[^"]+')
           if [[ "$TAG_VERSION" == "${{ steps.prev_tag_version.outputs.tag }}" ]]; then
             echo "Skipping as the tag version is the same as the previous run."
-            exit 78
+            echo "skip=true" >> $GITHUB_OUTPUT
+            exit 0
           fi
-          echo "LATEST_RELEASE_URL=$LATEST_RELEASE_URL" >> $GITHUB_ENV
+          echo "skip=false" >> $GITHUB_OUTPUT
           echo "TAG_VERSION=$TAG_VERSION" >> $GITHUB_ENV
-          echo "FILENAME=chromium-$TAG_VERSION.zip" >> $GITHUB_ENV
+          echo "X64_URL=https://github.com/Sparticuz/chromium/releases/download/$TAG_VERSION/chromium-$TAG_VERSION-layer.x64.zip" >> $GITHUB_ENV
+          echo "ARM64_URL=https://github.com/Sparticuz/chromium/releases/download/$TAG_VERSION/chromium-$TAG_VERSION-layer.arm64.zip" >> $GITHUB_ENV
+          echo "X64_FILENAME=chromium-$TAG_VERSION-layer.x64.zip" >> $GITHUB_ENV
+          echo "ARM64_FILENAME=chromium-$TAG_VERSION-layer.arm64.zip" >> $GITHUB_ENV
 
       - name: Update Tag Version
+        if: steps.latest_release.outputs.skip == 'false'
         run: echo ${{ env.TAG_VERSION }} > .tag_version
 
       - name: Download Latest Release
+        if: steps.latest_release.outputs.skip == 'false'
         run: |
-          curl -LO ${{ env.LATEST_RELEASE_URL }}
-          FILEPATH=$(basename ${{ env.LATEST_RELEASE_URL }})
-          echo "FILEPATH=$FILEPATH" >> $GITHUB_ENV
+          curl -LO ${{ env.X64_URL }}
+          curl -LO ${{ env.ARM64_URL }}
 
       - name: Upload to S3
+        if: steps.latest_release.outputs.skip == 'false'
         run: |
           for REGION in ${{ env.AWS_REGIONS }}; do
             BUCKET_NAME="${{ env.S3_BUCKET_NAME }}-$REGION"
             aws configure set region $REGION
-            aws s3 cp ${{ env.FILEPATH  }} s3://$BUCKET_NAME/${{ env.FILENAME }} &
+            aws s3 cp ${{ env.X64_FILENAME }} s3://$BUCKET_NAME/${{ env.X64_FILENAME }} &
+            aws s3 cp ${{ env.ARM64_FILENAME }} s3://$BUCKET_NAME/${{ env.ARM64_FILENAME }} &
           done
           wait
 
       - name: Publish to AWS Regions with Permissions
+        if: steps.latest_release.outputs.skip == 'false'
         run: |
           for REGION in ${{ env.AWS_REGIONS }}; do
             BUCKET_NAME="${{ env.S3_BUCKET_NAME }}-$REGION"
-
             aws configure set region $REGION
 
             {
-              NEW_VERSION_NUMBER=$(aws lambda publish-layer-version \
-                --layer-name chrome-aws-lambda \
-                --content S3Bucket=$BUCKET_NAME,S3Key=${{ env.FILENAME }} \
+              X64_VERSION=$(aws lambda publish-layer-version \
+                --layer-name chrome-aws-lambda-x64 \
+                --content S3Bucket=$BUCKET_NAME,S3Key=${{ env.X64_FILENAME }} \
+                --region $REGION \
+                --compatible-architectures x86_64 \
+                --description "@sparticuz/chromium v${{ env.TAG_VERSION }} x64" \
+                --query Version \
+                --output text)
+
+              aws lambda add-layer-version-permission \
+                --region "$REGION" \
+                --layer-name chrome-aws-lambda-x64 \
+                --statement-id sid1 \
+                --action lambda:GetLayerVersion \
+                --principal '*' \
+                --version-number $X64_VERSION
+
+              ARM64_VERSION=$(aws lambda publish-layer-version \
+                --layer-name chrome-aws-lambda-arm64 \
+                --content S3Bucket=$BUCKET_NAME,S3Key=${{ env.ARM64_FILENAME }} \
                 --region $REGION \
-                --compatible-architecture x86_64 \
-                --description "@sparticuz/chromium v${{ env.TAG_VERSION }} & Chromium v${{ env.TAG_VERSION }}" \
+                --compatible-architectures arm64 \
+                --description "@sparticuz/chromium v${{ env.TAG_VERSION }} arm64" \
                 --query Version \
                 --output text)
 
               aws lambda add-layer-version-permission \
                 --region "$REGION" \
-                --layer-name chrome-aws-lambda \
+                --layer-name chrome-aws-lambda-arm64 \
                 --statement-id sid1 \
                 --action lambda:GetLayerVersion \
                 --principal '*' \
-                --version-number $NEW_VERSION_NUMBER
-              echo "Published and permissions added for ${{ env.FILENAME }} in $REGION"
+                --version-number $ARM64_VERSION
+
+              echo "Published x64:$X64_VERSION and arm64:$ARM64_VERSION for $REGION"
             } &
           done
           wait
 
 
       - name: Commit Tag Version
+        if: steps.latest_release.outputs.skip == 'false'
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
diff --git a/.github/workflows/update_readme.yaml b/.github/workflows/update_readme.yaml
index ff79b55..2e69c04 100644
--- a/.github/workflows/update_readme.yaml
+++ b/.github/workflows/update_readme.yaml
@@ -37,20 +37,30 @@ jobs:
         run: |
           TAG_VERSION=${{ env.TAG_VERSION }}
           ARN_BASE="arn:aws:lambda:"
-          ARN_SUFFIX=":764866452798:layer:chrome-aws-lambda:"
+          ACCOUNT_ID="764866452798"
 
           sed -i -e "s|Has Chromium v[0-9\.]*|Has Chromium $TAG_VERSION|g" readme.md
 
           for REGION in ${{ env.AWS_REGIONS }}; do
-            LAYER_VERSION=$(aws lambda list-layer-versions --layer-name chrome-aws-lambda --region $REGION --query 'LayerVersions[0].LayerVersionArn' --output text | grep -oE '[0-9]+$')
-            ARN="$ARN_BASE$REGION$ARN_SUFFIX$LAYER_VERSION"
-            sed -i -e "s|arn:aws:lambda:$REGION:[0-9]*:layer:chrome-aws-lambda:[0-9]*|$ARN|g" readme.md
+            X64_VERSION=$(aws lambda list-layer-versions --layer-name chrome-aws-lambda-x64 --region $REGION --query 'LayerVersions[0].Version' --output text 2>/dev/null || echo "1")
+            ARM64_VERSION=$(aws lambda list-layer-versions --layer-name chrome-aws-lambda-arm64 --region $REGION --query 'LayerVersions[0].Version' --output text 2>/dev/null || echo "1")
+
+            X64_ARN="$ARN_BASE$REGION:$ACCOUNT_ID:layer:chrome-aws-lambda-x64:$X64_VERSION"
+            ARM64_ARN="$ARN_BASE$REGION:$ACCOUNT_ID:layer:chrome-aws-lambda-arm64:$ARM64_VERSION"
+
+            sed -i -e "s|arn:aws:lambda:$REGION:[0-9]*:layer:chrome-aws-lambda-x64:[0-9]*|$X64_ARN|g" readme.md
+            sed -i -e "s|arn:aws:lambda:$REGION:[0-9]*:layer:chrome-aws-lambda-arm64:[0-9]*|$ARM64_ARN|g" readme.md
           done
 
       - name: Commit and Push
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
-          git add readme.md
-          git commit -m "Update README with new version details [ci skip]"
-          git push
+          if ! git diff --quiet readme.md; then
+            git add readme.md
+            git commit -m "Update README with new version details [ci skip]"
+            git push
+            echo "README updated and pushed"
+          else
+            echo "No changes to README, skipping commit"
+          fi
diff --git a/readme.md b/readme.md
index 2d493da..521540d 100644
--- a/readme.md
+++ b/readme.md
@@ -4,15 +4,20 @@
 
 [Sparticuz/chromium](https://github.com/Sparticuz/chromium) published as a Lambda Layer.
 
-Tested with Node.js 16x/18x. Compatible with x86_64 only. Has Chromium v131.0.0
+Tested with Node.js 16x/18x/20x. Compatible with x86_64 and arm64 architectures. Has Chromium v133.0.0
 
 ## Getting Started
 
-Click on Layers and choose "Add a layer", and "Provide a layer version
-ARN" and enter the following ARN.
+Click on Layers and choose "Add a layer", and "Provide a layer version ARN" and enter one of the ARNs below based on your Lambda architecture.
 
+**For x86_64 (Intel/AMD)**:
 ```
-arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda:50
+arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda-x64:1
+```
+
+**For arm64 (Graviton2)**:
+```
+arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda-arm64:1
 ```
 
 When importing the module within lambda, make sure you import `@sparticuz/chromium` not `chrome-aws-lambda`
@@ -28,39 +33,67 @@ const chromium = require('@sparticuz/chromium');
 
 **lambda container settings**:
 
-- x86_64 architecture
-- > =1024mb memory
+- x86_64 or arm64 architecture
+- >=1024mb memory
 - `@sparticuz/chromium` marked as an externalModule in the bundling settings
 - A lambda layer marked like so (this is CDK code, but convert to SAM or whatever at will):
 
+**For x86_64**:
+```ts
+layers: [LayerVersion.fromLayerVersionArn(this, 'chromium-lambda-layer',
+  'arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda-x64:1'
+)]
+```
+
+**For arm64**:
 ```ts
 layers: [LayerVersion.fromLayerVersionArn(this, 'chromium-lambda-layer',
-  'arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda:50'
+  'arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda-arm64:1'
 )]
 ```
 
 **In the deployed lambda code**
-You can just use a regular ES6 or CommonJS import statement for `@sparticuz/chrome-aws-lambda`, and just use as
-indicated.
+You can just use a regular ES6 or CommonJS import statement for `@sparticuz/chromium`, and just use as indicated.
 
 ## Available regions
 
-* ap-northeast-1: `arn:aws:lambda:ap-northeast-1:764866452798:layer:chrome-aws-lambda:50`
-* ap-northeast-2: `arn:aws:lambda:ap-northeast-2:764866452798:layer:chrome-aws-lambda:49`
-* ap-south-1: `arn:aws:lambda:ap-south-1:764866452798:layer:chrome-aws-lambda:50`
-* ap-southeast-1: `arn:aws:lambda:ap-southeast-1:764866452798:layer:chrome-aws-lambda:50`
-* ap-southeast-2: `arn:aws:lambda:ap-southeast-2:764866452798:layer:chrome-aws-lambda:50`
-* ca-central-1: `arn:aws:lambda:ca-central-1:764866452798:layer:chrome-aws-lambda:50`
-* eu-north-1: `arn:aws:lambda:eu-north-1:764866452798:layer:chrome-aws-lambda:50`
-* eu-central-1: `arn:aws:lambda:eu-central-1:764866452798:layer:chrome-aws-lambda:50`
-* eu-west-1: `arn:aws:lambda:eu-west-1:764866452798:layer:chrome-aws-lambda:50`
-* eu-west-2: `arn:aws:lambda:eu-west-2:764866452798:layer:chrome-aws-lambda:50`
-* eu-west-3: `arn:aws:lambda:eu-west-3:764866452798:layer:chrome-aws-lambda:50`
-* sa-east-1: `arn:aws:lambda:sa-east-1:764866452798:layer:chrome-aws-lambda:50`
-* us-east-1: `arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda:50`
-* us-east-2: `arn:aws:lambda:us-east-2:764866452798:layer:chrome-aws-lambda:50`
-* us-west-1: `arn:aws:lambda:us-west-1:764866452798:layer:chrome-aws-lambda:50`
-* us-west-2: `arn:aws:lambda:us-west-2:764866452798:layer:chrome-aws-lambda:50`
+### x86_64 (Intel/AMD)
+
+* ap-northeast-1: `arn:aws:lambda:ap-northeast-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* ap-northeast-2: `arn:aws:lambda:ap-northeast-2:764866452798:layer:chrome-aws-lambda-x64:1`
+* ap-south-1: `arn:aws:lambda:ap-south-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* ap-southeast-1: `arn:aws:lambda:ap-southeast-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* ap-southeast-2: `arn:aws:lambda:ap-southeast-2:764866452798:layer:chrome-aws-lambda-x64:1`
+* ca-central-1: `arn:aws:lambda:ca-central-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* eu-north-1: `arn:aws:lambda:eu-north-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* eu-central-1: `arn:aws:lambda:eu-central-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* eu-west-1: `arn:aws:lambda:eu-west-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* eu-west-2: `arn:aws:lambda:eu-west-2:764866452798:layer:chrome-aws-lambda-x64:1`
+* eu-west-3: `arn:aws:lambda:eu-west-3:764866452798:layer:chrome-aws-lambda-x64:1`
+* sa-east-1: `arn:aws:lambda:sa-east-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* us-east-1: `arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* us-east-2: `arn:aws:lambda:us-east-2:764866452798:layer:chrome-aws-lambda-x64:1`
+* us-west-1: `arn:aws:lambda:us-west-1:764866452798:layer:chrome-aws-lambda-x64:1`
+* us-west-2: `arn:aws:lambda:us-west-2:764866452798:layer:chrome-aws-lambda-x64:1`
+
+### arm64 (Graviton2)
+
+* ap-northeast-1: `arn:aws:lambda:ap-northeast-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* ap-northeast-2: `arn:aws:lambda:ap-northeast-2:764866452798:layer:chrome-aws-lambda-arm64:1`
+* ap-south-1: `arn:aws:lambda:ap-south-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* ap-southeast-1: `arn:aws:lambda:ap-southeast-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* ap-southeast-2: `arn:aws:lambda:ap-southeast-2:764866452798:layer:chrome-aws-lambda-arm64:1`
+* ca-central-1: `arn:aws:lambda:ca-central-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* eu-north-1: `arn:aws:lambda:eu-north-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* eu-central-1: `arn:aws:lambda:eu-central-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* eu-west-1: `arn:aws:lambda:eu-west-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* eu-west-2: `arn:aws:lambda:eu-west-2:764866452798:layer:chrome-aws-lambda-arm64:1`
+* eu-west-3: `arn:aws:lambda:eu-west-3:764866452798:layer:chrome-aws-lambda-arm64:1`
+* sa-east-1: `arn:aws:lambda:sa-east-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* us-east-1: `arn:aws:lambda:us-east-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* us-east-2: `arn:aws:lambda:us-east-2:764866452798:layer:chrome-aws-lambda-arm64:1`
+* us-west-1: `arn:aws:lambda:us-west-1:764866452798:layer:chrome-aws-lambda-arm64:1`
+* us-west-2: `arn:aws:lambda:us-west-2:764866452798:layer:chrome-aws-lambda-arm64:1`
 
 ## License