VERSION bump to version 0.15.73
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b66a87..a72aa3c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 # set version
 set(LIBYANG_MAJOR_VERSION 0)
 set(LIBYANG_MINOR_VERSION 15)
-set(LIBYANG_MICRO_VERSION 72)
+set(LIBYANG_MICRO_VERSION 73)
 set(LIBYANG_VERSION ${LIBYANG_MAJOR_VERSION}.${LIBYANG_MINOR_VERSION}.${LIBYANG_MICRO_VERSION})
 set(LIBYANG_SOVERSION ${LIBYANG_MAJOR_VERSION}.${LIBYANG_MINOR_VERSION})