diff --git a/backend_tcl/configure b/backend_tcl/configure
index 0822d5fd..af12300f 100644
--- a/backend_tcl/configure
+++ b/backend_tcl/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63 for zint 2.5.0.
+# Generated by GNU Autoconf 2.63 for zint 2.5.2.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
 # 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
@@ -594,8 +594,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='zint'
 PACKAGE_TARNAME='zint'
-PACKAGE_VERSION='2.5.0'
-PACKAGE_STRING='zint 2.5.0'
+PACKAGE_VERSION='2.5.2'
+PACKAGE_STRING='zint 2.5.2'
 PACKAGE_BUGREPORT=''
 
 # Factoring default headers for most tests.
@@ -1334,7 +1334,7 @@ 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 zint 2.5.0 to adapt to many kinds of systems.
+\`configure' configures zint 2.5.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1395,7 +1395,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of zint 2.5.0:";;
+     short | recursive ) echo "Configuration of zint 2.5.2:";;
    esac
   cat <<\_ACEOF
 
@@ -1496,7 +1496,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-zint configure 2.5.0
+zint configure 2.5.2
 generated by GNU Autoconf 2.63
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1510,7 +1510,7 @@ 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 zint $as_me 2.5.0, which was
+It was created by zint $as_me 2.5.2, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   $ $0 $@
@@ -12961,7 +12961,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by zint $as_me 2.5.0, which was
+This file was extended by zint $as_me 2.5.2, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -13011,7 +13011,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-zint config.status 2.5.0
+zint config.status 2.5.2
 configured by $0, generated by GNU Autoconf 2.63,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/backend_tcl/configure.in b/backend_tcl/configure.in
index 0e3d6aee..d1621614 100644
--- a/backend_tcl/configure.in
+++ b/backend_tcl/configure.in
@@ -14,7 +14,7 @@
 # so you can encode the package version directly into the source files.
 #-----------------------------------------------------------------------
 
-AC_INIT([zint], [2.5.0])
+AC_INIT([zint], [2.5.2])
 
 #--------------------------------------------------------------------
 # Call TEA_INIT as the first TEA_ macro to set up initial vars.
diff --git a/backend_tcl/lib/zint/pkgIndex.tcl b/backend_tcl/lib/zint/pkgIndex.tcl
index ef76bf1f..5782d243 100644
--- a/backend_tcl/lib/zint/pkgIndex.tcl
+++ b/backend_tcl/lib/zint/pkgIndex.tcl
@@ -1,2 +1,2 @@
-package ifneeded zint 2.5.1\
+package ifneeded zint 2.5.2\
     [list load [file join $dir zint[info sharedlibextension]]]