diff --git a/mbed.h b/mbed.h
index 86e5f60073..bde9ea4baf 100644
--- a/mbed.h
+++ b/mbed.h
@@ -22,7 +22,7 @@
 // RTOS present, this is valid only for mbed OS 5
 #define MBED_MAJOR_VERSION 5
 #define MBED_MINOR_VERSION 8
-#define MBED_PATCH_VERSION 5
+#define MBED_PATCH_VERSION 6
 
 #else
 // mbed 2