diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb0e5b4472828763bdd97b641757bfe5af04e3d4..a19dbeb692d1a44bfd4cd2d710625de1e263d9c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ project (nlopt)
 # version
 set (NLOPT_MAJOR_VERSION "2")
 set (NLOPT_MINOR_VERSION "6")
-set (NLOPT_BUGFIX_VERSION "0")
+set (NLOPT_BUGFIX_VERSION "1")
 set (NLOPT_VERSION_STRING ${NLOPT_MAJOR_VERSION}.${NLOPT_MINOR_VERSION}.${NLOPT_BUGFIX_VERSION})
 message (STATUS "NLopt version ${NLOPT_VERSION_STRING}")