diff --git a/README b/README
index 7b1b767..ce65be2 100644
--- a/README
+++ b/README
@@ -5,7 +5,7 @@ girara user interface library and several document libraries.
 
 Requirements
 ------------
-gtk2 (>= 2.18.6)
+gtk2 (>= 2.28)
 girara
 sqlite3 (>= 3.5.9)
 check (for tests)