diff --git a/lib/java/CMakeLists.txt b/lib/java/CMakeLists.txt
index ba11f34..e915078 100644
--- a/lib/java/CMakeLists.txt
+++ b/lib/java/CMakeLists.txt
@@ -17,6 +17,9 @@
 # under the License.
 #
 
+
+cmake_minimum_required(VERSION 2.8)
+
 if(IS_ABSOLUTE "${LIB_INSTALL_DIR}")
     set(JAVA_INSTALL_DIR "${LIB_INSTALL_DIR}/java")
 else()