diff --git a/options.h b/options.h
index a05ae35d9caa2c34219ea872b3d79577b48e5662..5385d3039cbd9a6461c98fe192c497330413d17e 100644
--- a/options.h
+++ b/options.h
@@ -240,7 +240,7 @@ be overridden at runtime with -K. 0 disables keepalives */
  *******************************************************************/
 
 #ifndef DROPBEAR_VERSION
-#define DROPBEAR_VERSION "0.50"
+#define DROPBEAR_VERSION "0.51"
 #endif
 
 #define LOCAL_IDENT "SSH-2.0-dropbear_" DROPBEAR_VERSION