diff --git a/core/mac/inc/qwlan_version.h b/core/mac/inc/qwlan_version.h
index 2a6c2aec97ed..e7556cf03e3c 100644
--- a/core/mac/inc/qwlan_version.h
+++ b/core/mac/inc/qwlan_version.h
@@ -32,9 +32,9 @@
 #define QWLAN_VERSION_MAJOR            5
 #define QWLAN_VERSION_MINOR            2
 #define QWLAN_VERSION_PATCH            0
-#define QWLAN_VERSION_EXTRA            "Q"
+#define QWLAN_VERSION_EXTRA            "R"
 #define QWLAN_VERSION_BUILD            90
 
-#define QWLAN_VERSIONSTR               "5.2.0.90Q"
+#define QWLAN_VERSIONSTR               "5.2.0.90R"
 
 #endif /* QWLAN_VERSION_H */