diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8d54112..a74f962 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -13,8 +13,8 @@ set (thallium-pkg "share/cmake/thallium")
 # library version set here (e.g. for shared libs).
 #
 set (THALLIUM_VERSION_MAJOR 0)
-set (THALLIUM_VERSION_MINOR 11)
-set (THALLIUM_VERSION_PATCH 3)
+set (THALLIUM_VERSION_MINOR 12)
+set (THALLIUM_VERSION_PATCH 0)
 set (thallium-vers "${THALLIUM_VERSION_MAJOR}.${THALLIUM_VERSION_MINOR}")
 set (THALLIUM_VERSION "${thallium-vers}.${THALLIUM_VERSION_PATCH}")