diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee64fc0..9b37498 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,7 +43,7 @@
 #
 # We set SO_FILE_VERSION = [c-a].a.r
 set(LT_CURRENT 4)
-set(LT_REVISION 0)
+set(LT_REVISION 1)
 set(LT_AGE 1)
 math(EXPR SO_VERSION "${LT_CURRENT} - ${LT_AGE}")
 set(SO_FILE_VERSION "${SO_VERSION}.${LT_AGE}.${LT_REVISION}")