diff --git a/README.md b/README.md
index 3cd303f..bec4043 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ card-mod
 
 [![hacs_badge](https://img.shields.io/badge/HACS-Default-orange.svg)](https://github.com/custom-components/hacs)
 
+## Requires Home Assistant verison 0.98 or later
+
 Allows you to add css styles to any lovelace card.
 
 For installation instructions [see this guide](https://github.com/thomasloven/hass-config/wiki/Lovelace-Plugins).
diff --git a/info.md b/info.md
index a55ebec..95fa2ea 100644
--- a/info.md
+++ b/info.md
@@ -1,6 +1,8 @@
 card-mod
 ========
 
+## Requires Home Assistant verison 0.98 or later
+
 Allows you to add css styles to any lovelace card.
 
 Install `card-mod.js` as a `module`.