diff --git a/platform/chromium/manifest.json b/platform/chromium/manifest.json
index 2ddc2e5..82686d3 100644
--- a/platform/chromium/manifest.json
+++ b/platform/chromium/manifest.json
@@ -2,7 +2,7 @@
     "manifest_version": 2,
     "name": "uMatrix",
     "short_name": "uMatrix",
-    "version": "0.9.1.3",
+    "version": "0.9.2.0",
     "description": "__MSG_extShortDesc__",
     "icons": {
         "16": "img/icon_16.png",
diff --git a/platform/firefox/install.rdf b/platform/firefox/install.rdf
index 0f49a7e..4408149 100644
--- a/platform/firefox/install.rdf
+++ b/platform/firefox/install.rdf
@@ -23,5 +23,23 @@
                 <maxVersion>42.0</maxVersion>
             </r:Description>
         </targetApplication>
+
+        <!-- SeaMonkey -->
+        <targetApplication>
+            <r:Description>
+                <id>{{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}}</id>
+                <minVersion>2.21</minVersion>
+                <maxVersion>2.37</maxVersion>
+            </r:Description>
+        </targetApplication>
+
+        <!-- Pale Moon -->
+        <targetApplication>
+            <r:Description>
+                <id>{{8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}}</id>
+                <minVersion>25.0</minVersion>
+                <maxVersion>25.*</maxVersion>
+            </r:Description>
+        </targetApplication>
     </r:Description>
 </r:RDF>