diff --git a/INSTALL.binary b/INSTALL.binary
index 160c65269..a1c4a4656 100644
--- a/INSTALL.binary
+++ b/INSTALL.binary
@@ -1,4 +1,4 @@
-Installation instructions for Sudo 1.6.5 (binary release)
+Installation instructions for Sudo 1.6.6 (binary release)
 =========================================================
 
     0) If you are upgrading from a previous version of sudo
diff --git a/README b/README
index 0386d2ec1..9ab603d03 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-This is Sudo version 1.6.5
+This is Sudo version 1.6.6
 
 The sudo philosophy
 ===================