Change development version to 1.6.80
diff --git a/java/CMakeLists.txt b/java/CMakeLists.txt
index c7d6300..8dd09d1 100644
--- a/java/CMakeLists.txt
+++ b/java/CMakeLists.txt
@@ -2,7 +2,7 @@
 
 project(tigervnc-java Java)
 if(NOT VERSION)
-  set(VERSION 1.5.80)
+  set(VERSION 1.6.80)
 endif()
 
 find_package(Java)