diff --git a/core/mac/inc/qwlan_version.h b/core/mac/inc/qwlan_version.h
index 3ddd2df15999..a3328fdbe07b 100644
--- a/core/mac/inc/qwlan_version.h
+++ b/core/mac/inc/qwlan_version.h
@@ -32,9 +32,9 @@
 #define QWLAN_VERSION_MAJOR            2
 #define QWLAN_VERSION_MINOR            0
 #define QWLAN_VERSION_PATCH            8
-#define QWLAN_VERSION_EXTRA            "R"
+#define QWLAN_VERSION_EXTRA            "S"
 #define QWLAN_VERSION_BUILD            31
 
-#define QWLAN_VERSIONSTR               "2.0.8.31R"
+#define QWLAN_VERSIONSTR               "2.0.8.31S"
 
 #endif /* QWLAN_VERSION_H */