diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9dec647..657a1f4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -87,7 +87,7 @@ include ("${CMAKE_CURRENT_SOURCE_DIR}/cmake/utils.cmake")
 # ----------------------------------------------------------------------------
 # package information
 set (PACKAGE_NAME        "gflags")
-set (PACKAGE_VERSION     "2.2.1")
+set (PACKAGE_VERSION     "2.2.2")
 set (PACKAGE_STRING      "${PACKAGE_NAME} ${PACKAGE_VERSION}")
 set (PACKAGE_TARNAME     "${PACKAGE_NAME}-${PACKAGE_VERSION}")
 set (PACKAGE_BUGREPORT   "https://github.com/gflags/gflags/issues")