diff --git a/CMakeLists.txt b/CMakeLists.txt
index 710b6a9..29d7d2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,8 +45,8 @@ ELSE(LIBTINS_BUILD_SHARED)
 ENDIF(LIBTINS_BUILD_SHARED)
 
 # The version number.
-SET(LIBTINS_VERSION_MAJOR 3)
-SET(LIBTINS_VERSION_MINOR 5)
+SET(LIBTINS_VERSION_MAJOR 4)
+SET(LIBTINS_VERSION_MINOR 0)
 SET(LIBTINS_VERSION "${LIBTINS_VERSION_MAJOR}.${LIBTINS_VERSION_MINOR}")
 
 # Required Packages