diff --git a/README.md b/README.md
index d2eea3d..f310a78 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 [![Github Action CI](https://github.com/google/pprof/workflows/ci/badge.svg)](https://github.com/google/pprof/actions)
 [![Codecov](https://codecov.io/gh/google/pprof/graph/badge.svg)](https://codecov.io/gh/google/pprof)
+[![Go Reference](https://pkg.go.dev/badge/github.com/google/pprof/profile.svg)](https://pkg.go.dev/github.com/google/pprof/profile)
 
 # Introduction