diff --git a/coordinator/coordinator.lua b/coordinator/coordinator.lua
index e6c7671..651a5bc 100644
--- a/coordinator/coordinator.lua
+++ b/coordinator/coordinator.lua
@@ -296,6 +296,7 @@ function coordinator.comms(version, nic, sv_watchdog)
 
     -- attempt connection establishment
     local function _send_establish()
+        self.sv_r_seq_num = nil
         _send_sv(PROTOCOL.SCADA_MGMT, MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.CRD })
     end
 
diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index 8fb6173..4be0949 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -19,7 +19,7 @@ local renderer    = require("coordinator.renderer")
 local sounder     = require("coordinator.sounder")
 local threads     = require("coordinator.threads")
 
-local COORDINATOR_VERSION = "v1.5.6"
+local COORDINATOR_VERSION = "v1.5.7"
 
 local CHUNK_LOAD_DELAY_S = 30.0
 
diff --git a/pocket/pocket.lua b/pocket/pocket.lua
index a8867fb..db0ae8b 100644
--- a/pocket/pocket.lua
+++ b/pocket/pocket.lua
@@ -439,11 +439,13 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog, nav)
 
     -- attempt supervisor connection establishment
     local function _send_sv_establish()
+        self.sv.r_seq_num = nil
         _send_sv(MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.PKT })
     end
 
     -- attempt coordinator API connection establishment
     local function _send_api_establish()
+        self.api.r_seq_num = nil
         _send_crd(MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.PKT, comms.api_version })
     end
 
diff --git a/pocket/startup.lua b/pocket/startup.lua
index 9bb49d7..a6953b1 100644
--- a/pocket/startup.lua
+++ b/pocket/startup.lua
@@ -20,7 +20,7 @@ local pocket    = require("pocket.pocket")
 local renderer  = require("pocket.renderer")
 local threads   = require("pocket.threads")
 
-local POCKET_VERSION = "v0.11.8-alpha"
+local POCKET_VERSION = "v0.11.9-alpha"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/reactor-plc/plc.lua b/reactor-plc/plc.lua
index 36cb8ed..eee2bc6 100644
--- a/reactor-plc/plc.lua
+++ b/reactor-plc/plc.lua
@@ -735,6 +735,7 @@ function plc.comms(version, nic, reactor, rps, conn_watchdog)
 
     -- attempt to establish link with supervisor
     function public.send_link_req()
+        self.r_seq_num = nil
         _send_mgmt(MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.PLC, config.UnitID })
     end
 
diff --git a/reactor-plc/startup.lua b/reactor-plc/startup.lua
index f1cdae2..0f83ef4 100644
--- a/reactor-plc/startup.lua
+++ b/reactor-plc/startup.lua
@@ -18,7 +18,7 @@ local plc       = require("reactor-plc.plc")
 local renderer  = require("reactor-plc.renderer")
 local threads   = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v1.8.6"
+local R_PLC_VERSION = "v1.8.7"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/rtu/rtu.lua b/rtu/rtu.lua
index daf9f22..dc398b2 100644
--- a/rtu/rtu.lua
+++ b/rtu/rtu.lua
@@ -378,6 +378,7 @@ function rtu.comms(version, nic, conn_watchdog)
     -- send establish request (includes advertisement)
     ---@param units table
     function public.send_establish(units)
+        self.r_seq_num = nil
         _send(MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.RTU, _generate_advertisement(units) })
     end
 
diff --git a/rtu/startup.lua b/rtu/startup.lua
index b978164..57911a0 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 = "v1.10.6"
+local RTU_VERSION = "v1.10.7"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE