diff --git a/core/mac/inc/qwlan_version.h b/core/mac/inc/qwlan_version.h
index d6c0dde5e545..083aff3c3cae 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            "Y"
+#define QWLAN_VERSION_EXTRA            "Z"
 #define QWLAN_VERSION_BUILD            81
 
-#define QWLAN_VERSIONSTR               "5.2.0.81Y"
+#define QWLAN_VERSIONSTR               "5.2.0.81Z"
 
 #endif /* QWLAN_VERSION_H */