diff --git a/mozilla/tools/patcher-configs/moz20-seamonkey-branch-patcher2.cfg b/mozilla/tools/patcher-configs/moz20-seamonkey-branch-patcher2.cfg
index 62325c57b63..4e7f6a4b96b 100644
--- a/mozilla/tools/patcher-configs/moz20-seamonkey-branch-patcher2.cfg
+++ b/mozilla/tools/patcher-configs/moz20-seamonkey-branch-patcher2.cfg
@@ -3,30 +3,31 @@
         <current-update>
             channel   beta
             <complete>
-                betatest-url   http://stage-old.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1rc1-candidates/build2/update/%platform%/%locale%/seamonkey-2.1rc1.complete.mar
-                path   seamonkey/nightly/2.1rc1-candidates/build2/update/%platform%/%locale%/seamonkey-2.1rc1.complete.mar
-                url   http://download.mozilla.org/?product=seamonkey-2.1rc1-complete&os=%bouncer-platform%&lang=%locale%
+                betatest-url   http://stage-old.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1rc2-candidates/build1/update/%platform%/%locale%/seamonkey-2.1rc2.complete.mar
+                path   seamonkey/nightly/2.1rc2-candidates/build1/update/%platform%/%locale%/seamonkey-2.1rc2.complete.mar
+                url   http://download.mozilla.org/?product=seamonkey-2.1rc2-complete&os=%bouncer-platform%&lang=%locale%
             </complete>
             details   http://www.seamonkey-project.org/releases/seamonkey2.1/
             force   freebl3.chk
             force   softokn3.chk
             force   nssdbm3.chk
-            from   2.1b3
+            from   2.1rc1
             <partial>
-                betatest-url   http://stage-old.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1rc1-candidates/build2/update/%platform%/%locale%/seamonkey-2.1b3-2.1rc1.partial.mar
-                path   seamonkey/nightly/2.1rc1-candidates/build2/update/%platform%/%locale%/seamonkey-2.1b3-2.1rc1.partial.mar
-                url   http://download.mozilla.org/?product=seamonkey-2.1rc1-partial-2.1b3&os=%bouncer-platform%&lang=%locale%
+                betatest-url   http://stage-old.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1rc2-candidates/build1/update/%platform%/%locale%/seamonkey-2.1rc1-2.1rc2.partial.mar
+                path   seamonkey/nightly/2.1rc2-candidates/build1/update/%platform%/%locale%/seamonkey-2.1rc1-2.1rc2.partial.mar
+                url   http://download.mozilla.org/?product=seamonkey-2.1rc2-partial-2.1rc1&os=%bouncer-platform%&lang=%locale%
             </partial>
             <rc>
             </rc>
             testchannel   betatest releasetest
-            to   2.1rc1
+            to   2.1rc2
         </current-update>
         past-update   2.1a1 2.1a2 betatest releasetest beta
         past-update   2.1a2 2.1a3 betatest releasetest beta
         past-update   2.1a3 2.1b1 betatest releasetest beta
         past-update   2.1b1 2.1b2 betatest releasetest beta
         past-update   2.1b2 2.1b3 betatest releasetest beta
+        past-update   2.1b3 2.1rc1 betatest releasetest beta
         <release>
             <2.1a1>
                 completemarurl   http://stage-old.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1a1-candidates/build1/update/%platform%/%locale%/seamonkey-2.1a1.complete.mar
@@ -135,6 +136,23 @@
                 schema   1
                 version   2.1
             </2.1rc1>
+            <2.1rc2>
+                completemarurl   http://stage-old.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1rc2-candidates/build1/update/%platform%/%locale%/seamonkey-2.1rc2.complete.mar
+                <exceptions>
+                    ja   linux-i686, win32
+                    ja-JP-mac   mac
+                </exceptions>
+                extension-version   2.1
+                locales   be ca cs de en-GB en-US es-AR es-ES fi fr it ja ja-JP-mac lt nb-NO nl pl pt-PT ru sk sv-SE tr
+                <platforms>
+                    linux-i686   20110520215349
+                    mac   20110520215157
+                    win32   20110520220146
+                </platforms>
+                prettyVersion   2.1 RC 2
+                schema   1
+                version   2.1
+            </2.1rc2>
         </release>
     </SeaMonkey>
 </app>