diff --git a/tiny_bvh.h b/tiny_bvh.h
index 5bb081f..94efdfa 100644
--- a/tiny_bvh.h
+++ b/tiny_bvh.h
@@ -75,7 +75,7 @@ THE SOFTWARE.
 // library version
 #define TINY_BVH_VERSION_MAJOR	0
 #define TINY_BVH_VERSION_MINOR	4
-#define TINY_BVH_VERSION_SUB	0
+#define TINY_BVH_VERSION_SUB	1
 
 // ============================================================================
 //