diff --git a/Makefile b/Makefile
index 91a750f..f3e9e58 100644
--- a/Makefile
+++ b/Makefile
@@ -34,8 +34,8 @@ APP_LOAD_PARAMS += --path "1517992542'/1101353413'"
 
 APPVERSION_M=1
 APPVERSION_N=9
-APPVERSION_P=18
-APPVERSION=$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)
+APPVERSION_P=19
+APPVERSION=$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)-dev
 APP_LOAD_FLAGS= --appFlags 0x240 --dep Ethereum:$(APPVERSION)
 
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