diff --git a/readme.txt b/readme.txt
index 3c2af71..f84b3d0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -11,7 +11,7 @@
 
 Tags: publishing, catalog, pressbooks, default-theme
 
-Requires at least: 5.3
+Requires at least: 5.8
 Tested up to: 5.8
 Stable tag: 1.10.0
 License: GNU General Public License v3 or later