diff --git a/configure b/configure
index a2ca711b..0960c0de 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for LibTIFF Software 4.0.5.
+# Generated by GNU Autoconf 2.69 for LibTIFF Software 4.0.6.
 #
 # Report bugs to <tiff@lists.maptools.org>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='LibTIFF Software'
 PACKAGE_TARNAME='tiff'
-PACKAGE_VERSION='4.0.5'
-PACKAGE_STRING='LibTIFF Software 4.0.5'
+PACKAGE_VERSION='4.0.6'
+PACKAGE_STRING='LibTIFF Software 4.0.6'
 PACKAGE_BUGREPORT='tiff@lists.maptools.org'
 PACKAGE_URL=''
 
@@ -1406,7 +1406,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures LibTIFF Software 4.0.5 to adapt to many kinds of systems.
+\`configure' configures LibTIFF Software 4.0.6 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1480,7 +1480,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of LibTIFF Software 4.0.5:";;
+     short | recursive ) echo "Configuration of LibTIFF Software 4.0.6:";;
    esac
   cat <<\_ACEOF
 
@@ -1664,7 +1664,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-LibTIFF Software configure 4.0.5
+LibTIFF Software configure 4.0.6
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2437,7 +2437,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by LibTIFF Software $as_me 4.0.5, which was
+It was created by LibTIFF Software $as_me 4.0.6, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3380,7 +3380,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='tiff'
- VERSION='4.0.5'
+ VERSION='4.0.6'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -21460,7 +21460,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by LibTIFF Software $as_me 4.0.5, which was
+This file was extended by LibTIFF Software $as_me 4.0.6, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21526,7 +21526,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-LibTIFF Software config.status 4.0.5
+LibTIFF Software config.status 4.0.6
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index cbe85685..33ffb0dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ dnl OF THIS SOFTWARE.
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.64)
-AC_INIT([LibTIFF Software],[4.0.5],[tiff@lists.maptools.org],[tiff])
+AC_INIT([LibTIFF Software],[4.0.6],[tiff@lists.maptools.org],[tiff])
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_MACRO_DIR(m4)
 AC_LANG(C)