VERSION bump to version 3.1.1
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c337d1..940d4e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,7 +60,7 @@
 # set version of the project
 set(LIBYANG_MAJOR_VERSION 3)
 set(LIBYANG_MINOR_VERSION 1)
-set(LIBYANG_MICRO_VERSION 0)
+set(LIBYANG_MICRO_VERSION 1)
 set(LIBYANG_VERSION ${LIBYANG_MAJOR_VERSION}.${LIBYANG_MINOR_VERSION}.${LIBYANG_MICRO_VERSION})
 
 # set version of the library