diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # HTTP resource pack server
 
+[![GoDoc](https://img.shields.io/static/v1?label=godoc&message=reference&color=blue)](https://pkg.go.dev/src.lwithers.me.uk/go/htpack)
+
 A common scenario is that you have a set of static resources that you want to
 serve up quickly via HTTP (for example: stylesheets, WASM).