diff --git a/CMakeLists.txt b/CMakeLists.txt
index f25812d..16bcb2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,11 +3,11 @@ enable_testing()
 
 project(toml11)
 
-set(toml11_VERSION_MAYOR  2)
-set(toml11_VERSION_MINOR  4)
+set(toml11_VERSION_MAYOR  3)
+set(toml11_VERSION_MINOR  0)
 set(toml11_VERSION_PATCH  0)
 set(toml11_VERSION
-  "${toml11_VERSION_MAYOR}.${toml11_VERSION_MINOR}.${toml11_VERSION_PATCH}"
+  "${toml11_VERSION_MAYOR}.${toml11_VERSION_MINOR}.${toml11_VERSION_PATCH}-beta"
 )
 
 option(toml11_BUILD_TEST "Build toml tests" ON)