diff --git a/src/device/device_ledger.hpp b/src/device/device_ledger.hpp
index 89b3ee955..03058c4f1 100644
--- a/src/device/device_ledger.hpp
+++ b/src/device/device_ledger.hpp
@@ -44,7 +44,7 @@ namespace hw {
 
     /* Minimal supported version */
     #define MINIMAL_APP_VERSION_MAJOR    1
-    #define MINIMAL_APP_VERSION_MINOR    6
+    #define MINIMAL_APP_VERSION_MINOR    8
     #define MINIMAL_APP_VERSION_MICRO    0
 
     #define VERSION(M,m,u)       ((M)<<16|(m)<<8|(u))