diff --git a/ChangeLog b/ChangeLog
index 15b337b..4d5a0e6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2013-07-10  Jay Berkenbilt  <ejb@ql.org>
 
+	* 5.0.0: release
+
 	* 4.2.0 turned out to be binary incompatible on some platforms
 	even though there were no changes to the public API.  Therefore
 	the 4.2.0 release has been withdrawn, and is being replaced with a
diff --git a/configure.ac b/configure.ac
index 14f05c4..22fffc2 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],[4.2.0])
+AC_INIT([qpdf],[5.0.0])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_FILES([autoconf.mk])
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index 1126b5f..73207ec 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -19,7 +19,7 @@
 #include <qpdf/QPDF_Null.hh>
 #include <qpdf/QPDF_Dictionary.hh>
 
-std::string QPDF::qpdf_version = "4.2.0";
+std::string QPDF::qpdf_version = "5.0.0";
 
 static char const* EMPTY_PDF =
     "%PDF-1.3\n"
diff --git a/libqpdf/build.mk b/libqpdf/build.mk
index 095ac19..9f3de30 100644
--- a/libqpdf/build.mk
+++ b/libqpdf/build.mk
@@ -94,4 +94,4 @@ $(COBJS_libqpdf): libqpdf/$(OUTPUT_DIR)/%.$(LOBJ): libqpdf/%.c
 # * Otherwise, increment REVISION
 
 $(TARGETS_libqpdf): $(OBJS_libqpdf)
-	$(call makelib,$(OBJS_libqpdf),$@,$(LDFLAGS),$(LIBS),12,0,2)
+	$(call makelib,$(OBJS_libqpdf),$@,$(LDFLAGS),$(LIBS),13,0,0)