Index: build/test/test
==================================================================
--- build/test/test
+++ build/test/test
@@ -1,8 +1,8 @@
 #! /bin/bash
 
-VERSIONS="8.5.19 8.6.5 fossil_trunk"
+VERSIONS="8.5.19 8.6.6 fossil_trunk"
 
 # Find the base directory
 for x in 1 2 3 4 __fail__; do
 	if [ "${x}" = "__fail__" ]; then
 		echo 'Unable to find KitCreator, aborting.' >&2

Index: build/web/kitcreator.vfs/index.rvt
==================================================================
--- build/web/kitcreator.vfs/index.rvt
+++ build/web/kitcreator.vfs/index.rvt
@@ -23,10 +23,11 @@
 	set tcl_versions(8.6.1) 8.6.1
 	set tcl_versions(8.6.2) 8.6.2
 	set tcl_versions(8.6.3) 8.6.3
 	set tcl_versions(8.6.4) 8.6.4
 	set tcl_versions(8.6.5) 8.6.5
+	set tcl_versions(8.6.6) 8.6.6
 	set tcl_versions(fossil_trunk) "Fossil Trunk Tip"
 
 	set platforms(android-arm) "Android/ARM"
 	set platforms(freebsd-amd64) "FreeBSD/amd64"
 	set platforms(hpux-hppa64) "HP-UX/PA-RISC 2.0"

Index: kitcreator
==================================================================
--- kitcreator
+++ kitcreator
@@ -11,11 +11,11 @@
 		shift
 		;;
 esac
 
 # Determine which Tcl version to build
-TCLVERS="8.6.5"
+TCLVERS="8.6.6"
 if echo "$1" | grep '^[0-9][0-9]*\.' >/dev/null || echo "$1" | egrep '^(cvs|fossil)_' >/dev/null; then
 	TCLVERS="$1"
 
 	shift
 fi

Index: tcl/build.sh
==================================================================
--- tcl/build.sh
+++ tcl/build.sh
@@ -23,10 +23,16 @@
 
 case "${TCLVERS}" in
 	8.6.4)
 		SRCHASH='9e6ed94c981c1d0c5f5fefb8112d06c6bf4d050a7327e95e71d417c416519c8d'
 		;;
+	8.6.5)
+		SRCHASH='ce26d5b9c7504fc25d2f10ef0b82b14cf117315445b5afa9e673ed331830fb53'
+		;;
+	8.6.6)
+		SRCHASH='a265409781e4b3edcc4ef822533071b34c3dc6790b893963809b9fe221befe07'
+		;;
 esac
 
 # Set configure options for this sub-project
 LDFLAGS="${LDFLAGS} ${KC_TCL_LDFLAGS}"
 CFLAGS="${CFLAGS} ${KC_TCL_CFLAGS}"

Index: tk/build.sh
==================================================================
--- tk/build.sh
+++ tk/build.sh
@@ -23,10 +23,16 @@
 
 case "${TCLVERS}" in
 	8.6.4)
 		SRCHASH='08f99df85e5dc9c4271762163c6aabb962c8b297dc5c4c1af8bdd05fc2dd26c1'
 		;;
+	8.6.5)
+		SRCHASH='fbbd93541b4cd467841208643b4014c4543a54c3597586727f0ab128220d7946'
+		;;
+	8.6.6)
+		SRCHASH='d62c371a71b4744ed830e3c21d27968c31dba74dd2c45f36b9b071e6d88eb19d'
+		;;
 esac
 
 # Set configure options for this sub-project
 LDFLAGS="${LDFLAGS} ${KC_TK_LDFLAGS}"
 CFLAGS="${CFLAGS} ${KC_TK_CFLAGS}"