diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7ea550..11d3aae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@ ENDIF(LIBTINS_BUILD_SHARED)
 
 # The version number.
 SET(TINS_VERSION_MAJOR 4)
-SET(TINS_VERSION_MINOR 0)
+SET(TINS_VERSION_MINOR 1)
 SET(TINS_VERSION_PATCH 0)
 SET(LIBTINS_VERSION "${TINS_VERSION_MAJOR}.${TINS_VERSION_MINOR}")