diff --git a/README.md b/README.md
index c2045003b..94a60cf89 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,10 @@
     <img src="https://img.shields.io/badge/Release-v1.1.0-FFA500?labelColor=gray&style=flat&link=https://github.com/apache/age/releases"/>
   </a>
   &nbsp;
+  <a href="https://www.postgresql.org/docs/12/index.html">
+    <img src="https://img.shields.io/badge/Version-PostgreSQL 12-00008B?labelColor=gray&style=flat&link=https://www.postgresql.org/docs/12/index.html"/>
+  </a>
+  &nbsp;
   <a href="https://github.com/apache/age/issues">
     <img src="https://img.shields.io/github/issues/apache/age"/>
   </a>