diff --git a/README.md b/README.md
index 0f15b3e..bca3af2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # age
 
-age is a simple, modern and secure file encryption tool.
+[![pkg.go.dev](https://pkg.go.dev/badge/filippo.io/age)](https://pkg.go.dev/filippo.io/age)
+
+age is a simple, modern and secure file encryption tool, format, and library.
 
 It features small explicit keys, no config options, and UNIX-style composability.