diff --git a/configure.ac b/configure.ac
index 83382e23..c47f3a55 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@
 #
 
 AC_PREREQ([2.61])
-AC_INIT([guacamole-server], [0.8.3])
+AC_INIT([guacamole-server], [0.9.0])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
 AM_SILENT_RULES([yes])
 
diff --git a/doc/Doxyfile b/doc/Doxyfile
index d38c3393..3a9b8a20 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = libguac
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.8.3
+PROJECT_NUMBER         = 0.9.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/src/libguac/Makefile.am b/src/libguac/Makefile.am
index b85f9a43..dff58ba9 100644
--- a/src/libguac/Makefile.am
+++ b/src/libguac/Makefile.am
@@ -70,5 +70,5 @@ noinst_HEADERS += ogg_encoder.h
 endif
 
 lib_LTLIBRARIES = libguac.la
-libguac_la_LDFLAGS = -version-info 5:0:0 @PTHREAD_LIBS@ @CAIRO_LIBS@ @PNG_LIBS@ @DL_LIBS@ @VORBIS_LIBS@
+libguac_la_LDFLAGS = -version-info 6:0:0 @PTHREAD_LIBS@ @CAIRO_LIBS@ @PNG_LIBS@ @DL_LIBS@ @VORBIS_LIBS@