diff --git a/extension/install.rdf b/extension/install.rdf
index c749e25..80504b1 100644
--- a/extension/install.rdf
+++ b/extension/install.rdf
@@ -7,7 +7,7 @@
{05f1cdaa-7474-43fa-9f69-c697555f4ea8}
2
GNOME Theme Tweak
- 0.8
+ 24.0
Extension for customizing GNOME theme.
https://github.com/seleznev/firefox-extension-gnome-theme-tweak
Alexander Seleznev
@@ -22,8 +22,8 @@
{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
- 22.0
- 25.0a1
+ 23.0
+ 27.0a1