diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 <!-- Build status of the main branch -->
 
 [![Build Status](https://storage.googleapis.com/fhir-proxy-build-badges/build.svg)](https://storage.googleapis.com/fhir-proxy-build-badges/build.html)
+[![Project Map](https://sourcespy.com/shield.svg)](https://sourcespy.com/github/googlefhirgateway/)
 
 FHIR Information Gateway is a simple access-control proxy that sits in front of
 a [FHIR](https://www.hl7.org/fhir/) store (e.g., a