Index: thread/build.sh
==================================================================
--- thread/build.sh
+++ thread/build.sh
@@ -9,11 +9,11 @@
 	echo 'ERROR: The TCLVERS environment variable is not set' >&2
 
 	exit 1
 fi
 
-THREADVERS="2.6.5"
+THREADVERS="2.7.0"
 SRC="src/thread-${THREADVERS}.tar.gz"
 SRCURL="http://sourceforge.net/projects/tcl/files/Thread%20Extension/${THREADVERS}/thread${THREADVERS}.tar.gz/download"
 BUILDDIR="$(pwd)/build/thread${THREADVERS}"
 OUTDIR="$(pwd)/out"
 INSTDIR="$(pwd)/inst"

Index: zlib/build.sh
==================================================================
--- zlib/build.sh
+++ zlib/build.sh
@@ -9,11 +9,11 @@
 	echo 'ERROR: The TCLVERS environment variable is not set' >&2
 
 	exit 1
 fi
 
-ZLIBVERS="1.2.3"
+ZLIBVERS="1.2.8"
 SRC="src/zlib-${ZLIBVERS}.tar.gz"
 SRCURL="http://sourceforge.net/projects/libpng/files/zlib/${ZLIBVERS}/zlib-${ZLIBVERS}.tar.gz/download"
 BUILDDIR="$(pwd)/build/zlib-${ZLIBVERS}"
 OUTDIR="$(pwd)/out"
 INSTDIR="$(pwd)/inst"