diff --git a/lib/signing.ts b/lib/signing.ts
index 2733bffe..7ef36cea 100644
--- a/lib/signing.ts
+++ b/lib/signing.ts
@@ -81,6 +81,7 @@ export class SignNuGetWithSigner extends Construct implements ISigner {
       platform: new LinuxPlatform(props.buildImage ?? LinuxBuildImage.fromDockerRegistry('public.ecr.aws/jsii/superchain:1-buster-slim-node18')),
       scriptDirectory: path.join(__dirname, 'signing', 'nuget'),
       entrypoint: 'sign.sh',
+      serviceRole: props.serviceRole,
       buildSpec: BuildSpec.literal({
         version: '0.2',
         artifacts: {