diff --git a/Documentation/RelNotes-1.6.6.txt b/Documentation/RelNotes-1.6.6.txt
index dc55480..8f9d4f5 100644
--- a/Documentation/RelNotes-1.6.6.txt
+++ b/Documentation/RelNotes-1.6.6.txt
@@ -108,9 +108,15 @@
 
 (subsystems)
 
- * various git-gui updates including new translations, wm states, etc.
+ * various gitk updates including use of themed widgets under Tk 8.5,
+   Japanese translation, a fix to a bug when running "gui blame" from
+   a subdirectory, etc.
 
- * git-svn updates.
+ * various git-gui updates including new translations, wm states fixes,
+   Tk bug workaround after quitting, improved heuristics to trigger gc,
+   etc.
+
+ * various git-svn updates.
 
  * "git fetch" over http learned a new mode that is different from the
    traditional "dumb commit walker".
@@ -236,5 +242,5 @@
 ---
 exec >/var/tmp/1
 echo O=$(git describe master)
-O=v1.6.6-rc1-52-gff86bdd
+O=v1.6.6-rc1-79-g529f8c6
 git shortlog --no-merges $O..master --not maint
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 10a38ba..4e1806b 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.6.6-rc1.GIT
+DEF_VER=v1.6.6-rc2.GIT
 
 LF='
 '