diff --git a/Doxyfile b/Doxyfile
index 445c00c51..098346131 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME = MLT
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER = 6.2.0
+PROJECT_NUMBER = 6.4.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put. 
diff --git a/configure b/configure
index 1baf1d721..3702579f0 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-export version=6.3.0
+export version=6.4.0
 export soversion=6
 
 show_help()
diff --git a/docs/melt.1 b/docs/melt.1
index 80e21cd3d..45bb5a227 100644
--- a/docs/melt.1
+++ b/docs/melt.1
@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.38.4.
-.TH MELT "1" "April 2016" "melt 6.2.0" "User Commands"
+.TH MELT "1" "November 2016" "melt 6.4.0" "User Commands"
 .SH NAME
 melt \- author, play, and encode multitrack audio/video compositions
 .SH SYNOPSIS
diff --git a/src/framework/mlt_version.h b/src/framework/mlt_version.h
index bcc07b453..9545465c1 100644
--- a/src/framework/mlt_version.h
+++ b/src/framework/mlt_version.h
@@ -27,7 +27,7 @@
 #define STRINGIZE(s)            STRINGIZE2(s)
 
 #define LIBMLT_VERSION_MAJOR    6
-#define LIBMLT_VERSION_MINOR    3
+#define LIBMLT_VERSION_MINOR    4
 #define LIBMLT_VERSION_REVISION 0
 #define LIBMLT_VERSION_INT      ((LIBMLT_VERSION_MAJOR<<16)+(LIBMLT_VERSION_MINOR<<8)+LIBMLT_VERSION_REVISION)
 #define LIBMLT_VERSION          STRINGIZE(LIBMLT_VERSION_MAJOR.LIBMLT_VERSION_MINOR.LIBMLT_VERSION_REVISION)