diff --git a/ChangeLog b/ChangeLog
index 911002e2..548106ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-11-10  Jay Berkenbilt  <ejb@ql.org>
+
+	* 6.0.0: release
+
+	* No changes from 5.2.0. The 5.2.0 release broke binary
+	compatibility and was withdrawn.
+
 2015-10-31  Jay Berkenbilt  <ejb@ql.org>
 
 	* 5.2.0: release
diff --git a/configure.ac b/configure.ac
index c7e67458..9cf89aa2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 dnl This config.in requires autoconf 2.5 or greater.
 
 AC_PREREQ([2.68])
-AC_INIT([qpdf],[5.2.0])
+AC_INIT([qpdf],[6.0.0])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_FILES([autoconf.mk])
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index 56119ee2..b8a1601c 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -20,7 +20,7 @@
 #include <qpdf/QPDF_Null.hh>
 #include <qpdf/QPDF_Dictionary.hh>
 
-std::string QPDF::qpdf_version = "5.2.0";
+std::string QPDF::qpdf_version = "6.0.0";
 
 static char const* EMPTY_PDF =
     "%PDF-1.3\n"
diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 65e6ded3..40404997 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -5,8 +5,8 @@
 <!ENTITY mdash "&#x2014;">
 <!ENTITY ndash "&#x2013;">
 <!ENTITY nbsp "&#xA0;">
-<!ENTITY swversion "5.2.0">
-<!ENTITY lastreleased "October 31, 2015">
+<!ENTITY swversion "6.0.0">
+<!ENTITY lastreleased "November 10, 2015">
 ]>
 <book>
  <bookinfo>
@@ -2685,7 +2685,7 @@ print "\n";
   </para>
   <variablelist>
    <varlistentry>
-    <term>5.2.0: October 31, 2015</term>
+    <term>6.0.0: November 10, 2015</term>
     <listitem>
      <itemizedlist>
       <listitem>