diff --git a/src/device/device_ledger.hpp b/src/device/device_ledger.hpp
index d3ec08288..5cb834e02 100644
--- a/src/device/device_ledger.hpp
+++ b/src/device/device_ledger.hpp
@@ -44,8 +44,8 @@ namespace hw {
 
     /* Minimal supported version */
     #define MINIMAL_APP_VERSION_MAJOR    1
-    #define MINIMAL_APP_VERSION_MINOR    3
-    #define MINIMAL_APP_VERSION_MICRO    1
+    #define MINIMAL_APP_VERSION_MINOR    6
+    #define MINIMAL_APP_VERSION_MICRO    0
 
     #define VERSION(M,m,u)       ((M)<<16|(m)<<8|(u))
     #define VERSION_MAJOR(v)     (((v)>>16)&0xFF)