diff --git a/rtu/configure.lua b/rtu/configure.lua
index 9efc0d5..dbcfec4 100644
--- a/rtu/configure.lua
+++ b/rtu/configure.lua
@@ -928,6 +928,7 @@ local function config_view(display)
 
         peri_pane.set_value(1)
         tool_ctl.gen_peri_summary(tmp_cfg)
+        tool_ctl.update_peri_list()
 
         tool_ctl.p_idx.set_value(1)
     end
@@ -1345,6 +1346,7 @@ local function config_view(display)
     local function delete_peri_entry(idx)
         table.remove(tmp_cfg.Peripherals, idx)
         tool_ctl.gen_peri_summary(tmp_cfg)
+        tool_ctl.update_peri_list()
     end
 
     -- generate the peripherals summary list
diff --git a/rtu/startup.lua b/rtu/startup.lua
index c877cac..ccd69b0 100644
--- a/rtu/startup.lua
+++ b/rtu/startup.lua
@@ -31,7 +31,7 @@ local sna_rtu      = require("rtu.dev.sna_rtu")
 local sps_rtu      = require("rtu.dev.sps_rtu")
 local turbinev_rtu = require("rtu.dev.turbinev_rtu")
 
-local RTU_VERSION = "v1.7.6"
+local RTU_VERSION = "v1.7.7"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE