Index: build/test/test
==================================================================
--- build/test/test
+++ build/test/test
@@ -1,8 +1,8 @@
 #! /bin/bash
 
-VERSIONS="8.5.19 8.6.12 fossil_trunk"
+VERSIONS="8.5.19 8.6.13 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
@@ -71,10 +71,11 @@
 	set tcl_versions(8.6.8) 8.6.8
 	set tcl_versions(8.6.9) 8.6.9
 	set tcl_versions(8.6.10) 8.6.10
 	set tcl_versions(8.6.11) 8.6.11
 	set tcl_versions(8.6.12) 8.6.12
+	set tcl_versions(8.6.13) 8.6.13
 	set tcl_version_list [lsort -dictionary [array names tcl_versions]]
 	set tcl_version_selected [lindex $tcl_version_list end]
 
 	set tcl_versions(fossil_trunk) "Fossil Trunk Tip"
 	set tcl_versions(fossil_core-8-7a3) "Tcl 8.7a3"

Index: kitcreator
==================================================================
--- kitcreator
+++ kitcreator
@@ -11,11 +11,11 @@
 		shift
 		;;
 esac
 
 # Determine which Tcl version to build
-TCLVERS="8.6.12"
+TCLVERS="8.6.13"
 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
@@ -56,10 +56,13 @@
 		SRCHASH='8c0486668586672c5693d7d95817cb05a18c5ecca2f40e2836b9578064088258'
 		;;
 	8.6.12)
 		SRCHASH='26c995dd0f167e48b11961d891ee555f680c175f7173ff8cb829f4ebcde4c1a6'
 		;;
+	8.6.13)
+		SRCHASH='43a1fae7412f61ff11de2cfd05d28cfc3a73762f354a417c62370a54e2caf066'
+		;;
 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
@@ -56,10 +56,13 @@
 		SRCHASH='5228a8187a7f70fa0791ef0f975270f068ba9557f57456f51eb02d9d4ea31282'
 		;;
 	8.6.12)
 		SRCHASH='12395c1f3fcb6bed2938689f797ea3cdf41ed5cb6c4766eec8ac949560310630'
 		;;
+	8.6.13)
+		SRCHASH='2e65fa069a23365440a3c56c556b8673b5e32a283800d8d9b257e3f584ce0675'
+		;;
 esac
 
 # Set configure options for this sub-project
 LDFLAGS="${LDFLAGS} ${KC_TK_LDFLAGS}"
 CFLAGS="${CFLAGS} ${KC_TK_CFLAGS}"