'Avoid re-build of AWS Lambda Layer in CDK

I have a CDK stack that, among other infrastructure elements, deploys an AWS Lambda Layer (or actually a lambda.LayerVersion). I noticed that every time I update the stack a new version of the Layer is built, although its contents do not change. This leads to a whole bunch of layers that are inherently the same. Is there an easy way to avoid this behaviour and only create a new layer version when the contents actually change?

const testLambdaLayer = new lambda.LayerVersion(this, 'TestLambdaLayer', {
  code: lambda.Code.fromAsset('../test/lambda/layer/'),
  compatibleRuntimes: [lambda.Runtime.PYTHON_3_8],
  layerVersionName: 'requests-layer',
})

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'Avoid re-build of AWS Lambda Layer in CDK

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