diff --git a/src/rtklib.h b/src/rtklib.h
index f3b3c7aa563929e52e4e933d05774898ef7c4995..f6c39a4baba4645c736e9c60ca4fb6c1b4bb5a61 100644
--- a/src/rtklib.h
+++ b/src/rtklib.h
@@ -58,7 +58,7 @@ extern "C" {
 
 #define VER_RTKLIB  "demo5"             /* library version */
 
-#define PATCH_LEVEL "b33b"               /* patch level */
+#define PATCH_LEVEL "b33b2"               /* patch level */
 
 #define COPYRIGHT_RTKLIB \
             "Copyright (C) 2007-2019 T.Takasu\nAll rights reserved."