diff --git a/platform/firefox/install.rdf b/platform/firefox/install.rdf
index 9cbbd7f..c1534e1 100644
--- a/platform/firefox/install.rdf
+++ b/platform/firefox/install.rdf
@@ -17,7 +17,7 @@
{{ec8030f7-c20a-464f-9b0e-13a3a9e97384}}
- 29.0
+ 24.0
38.0
@@ -26,7 +26,7 @@
{{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}}
- 2.26
+ 2.21
2.35