diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43e674d46..e94a7cdcb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ set(CONFIG_32BIT ${CONFIG_32BIT})
 set(MVDIST_ONLY ${MVDIST_ONLY})
 
 add_definitions(-D_USE_MATH_DEFINES)
-add_definitions(-DMV_SANDBOX_VERSION="0.1.0dev11")
+add_definitions(-DMV_SANDBOX_VERSION="0.1.0b5")
 
 
 # Include sub-projects.