diff --git a/configure b/configure
index 92edc4049..aee4a1c1e 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 libpqxx 6.3.3.
+# Generated by GNU Autoconf 2.69 for libpqxx 6.4.1.
 #
 # Report bugs to <Jeroen T. Vermeulen>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libpqxx'
 PACKAGE_TARNAME='libpqxx'
-PACKAGE_VERSION='6.3.3'
-PACKAGE_STRING='libpqxx 6.3.3'
+PACKAGE_VERSION='6.4.1'
+PACKAGE_STRING='libpqxx 6.4.1'
 PACKAGE_BUGREPORT='Jeroen T. Vermeulen'
 PACKAGE_URL=''
 
@@ -1364,7 +1364,7 @@ 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 libpqxx 6.3.3 to adapt to many kinds of systems.
+\`configure' configures libpqxx 6.4.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1435,7 +1435,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpqxx 6.3.3:";;
+     short | recursive ) echo "Configuration of libpqxx 6.4.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1562,7 +1562,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpqxx configure 6.3.3
+libpqxx configure 6.4.1
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2052,7 +2052,7 @@ 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 libpqxx $as_me 6.3.3, which was
+It was created by libpqxx $as_me 6.4.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -4160,7 +4160,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpqxx'
- VERSION='6.3.3'
+ VERSION='6.4.1'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -4382,7 +4382,7 @@ END
 fi
 
 
-PQXX_ABI=6.3
+PQXX_ABI=6.4
 
 
 
@@ -18722,7 +18722,7 @@ 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 libpqxx $as_me 6.3.3, which was
+This file was extended by libpqxx $as_me 6.4.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -18788,7 +18788,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libpqxx config.status 6.3.3
+libpqxx config.status 6.4.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/include/pqxx/version.hxx b/include/pqxx/version.hxx
index b6a9182b1..6de104dce 100644
--- a/include/pqxx/version.hxx
+++ b/include/pqxx/version.hxx
@@ -14,14 +14,14 @@
 #include "pqxx/compiler-internal-pre.hxx"
 
 /// Full libpqxx version string.
-#define PQXX_VERSION "6.3.3"
+#define PQXX_VERSION "6.4.1"
 /// Library ABI version.
-#define PQXX_ABI "6.3"
+#define PQXX_ABI "6.4"
 
 /// Major version number.
 #define PQXX_VERSION_MAJOR 6
 /// Minor version number.
-#define PQXX_VERSION_MINOR 3
+#define PQXX_VERSION_MINOR 4
 
 namespace pqxx
 {