diff --git a/library/Makefile b/library/Makefile
index d099471..20b9860 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -31,7 +31,7 @@
 endif
 endif
 
-SOEXT=so.8
+SOEXT=so.9
 
 DLEXT=so
 # OSX shared library extension: