diff --git a/locales/generic/install.rdf b/locales/generic/install.rdf
--- a/locales/generic/install.rdf
+++ b/locales/generic/install.rdf
@@ -38,7 +38,7 @@
{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
3.5
- 10.0.*
+ 11.0.*
@@ -50,12 +50,13 @@
2.4 is Gecko 7.0
2.5 is Gecko 8.0
2.6 is Gecko 9.0
- 2.7 is Gecko 10.0 -->
+ 2.7 is Gecko 10.0
+ 2.8 is Gecko 11.0 -->
{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}
2.0
- 2.7.*
+ 2.8.*
diff --git a/xpi/resources/install.rdf b/xpi/resources/install.rdf
--- a/xpi/resources/install.rdf
+++ b/xpi/resources/install.rdf
@@ -21,7 +21,7 @@
{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
3.5
- 10.0.*
+ 11.0.*
@@ -33,12 +33,13 @@
2.4 is Gecko 7.0
2.5 is Gecko 8.0
2.6 is Gecko 9.0
- 2.7 is Gecko 10.0 -->
+ 2.7 is Gecko 10.0
+ 2.8 is Gecko 11.0 -->
{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}
2.0
- 2.7.*
+ 2.8.*