diff --git a/configure.ac b/configure.ac
index 5ac7119fe4..26c18c0dde 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(gstreamer-sharp, 0.9.0,
+AC_INIT(gstreamer-sharp, 0.9.0.1,
     http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer&component=gst-sharp,
     gstreamer-sharp)
 AC_CANONICAL_SYSTEM
@@ -14,6 +14,9 @@ AC_HEADER_STDC
 PACKAGE_VERSION=gstreamer-sharp-0.10
 AC_SUBST(PACKAGE_VERSION)
 
+API_VERSION=0.9.1.0
+AC_SUBST(API_VERSION)
+
 MONO_REQUIRED_VERSION=2.4
 AC_SUBST(MONO_REQUIRED_VERSION)
 PKG_CHECK_MODULES(MONO_DEPENDENCY, mono >= $MONO_REQUIRED_VERSION, has_mono=true, has_mono=false)
diff --git a/gstreamer-sharp/AssemblyInfo.cs.in b/gstreamer-sharp/AssemblyInfo.cs.in
index 5b9a63a3b5..f5b4b818ef 100644
--- a/gstreamer-sharp/AssemblyInfo.cs.in
+++ b/gstreamer-sharp/AssemblyInfo.cs.in
@@ -1,6 +1,6 @@
 using System.Reflection;
 using System.Runtime.CompilerServices;
 
-[assembly:AssemblyVersion ("@VERSION@") ]
+[assembly:AssemblyVersion ("@API_VERSION@") ]
 [assembly:AssemblyDelaySign (false) ]
 [assembly:AssemblyKeyFile ("gstreamer-sharp.snk") ]