diff --git a/coordinator/coordinator.lua b/coordinator/coordinator.lua
index e4bb283..37b7503 100644
--- a/coordinator/coordinator.lua
+++ b/coordinator/coordinator.lua
@@ -610,8 +610,8 @@ function coordinator.comms(version, modem, sv_port, sv_listen, api_listen, range
                                 local timestamp = packet.data[1]
                                 local trip_time = util.time() - timestamp
 
-                                if trip_time > 500 then
-                                    log.warning("coord KEEP_ALIVE trip time > 500ms (" .. trip_time .. "ms)")
+                                if trip_time > 750 then
+                                    log.warning("coord KEEP_ALIVE trip time > 750ms (" .. trip_time .. "ms)")
                                 end
 
                                 -- log.debug("coord RTT = " .. trip_time .. "ms")
diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index 0502a8a..a35a0f4 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -19,7 +19,7 @@ local iocontrol    = require("coordinator.iocontrol")
 local renderer     = require("coordinator.renderer")
 local sounder      = require("coordinator.sounder")
 
-local COORDINATOR_VERSION = "v0.11.5"
+local COORDINATOR_VERSION = "v0.11.6"
 
 local print = util.print
 local println = util.println
diff --git a/install_manifest.json b/install_manifest.json
index 10b3be2..ea81b8d 100644
--- a/install_manifest.json
+++ b/install_manifest.json
@@ -2,10 +2,10 @@
     "versions": {
         "bootloader": "0.2",
         "comms": "1.4.0",
-        "reactor-plc": "v0.12.1",
-        "rtu": "v0.12.2",
-        "supervisor": "v0.13.3",
-        "coordinator": "v0.11.5",
+        "reactor-plc": "v0.12.2",
+        "rtu": "v0.12.3",
+        "supervisor": "v0.13.4",
+        "coordinator": "v0.11.6",
         "pocket": "alpha-v0.0.0"
     },
     "files": {
diff --git a/reactor-plc/plc.lua b/reactor-plc/plc.lua
index 973ed66..1d9b52c 100644
--- a/reactor-plc/plc.lua
+++ b/reactor-plc/plc.lua
@@ -928,8 +928,8 @@ function plc.comms(id, version, modem, local_port, server_port, range, reactor,
                             local timestamp = packet.data[1]
                             local trip_time = util.time() - timestamp
 
-                            if trip_time > 500 then
-                                log.warning("PLC KEEP_ALIVE trip time > 500ms (" .. trip_time .. "ms)")
+                            if trip_time > 750 then
+                                log.warning("PLC KEEP_ALIVE trip time > 750ms (" .. trip_time .. "ms)")
                             end
 
                             -- log.debug("RPLC RTT = " .. trip_time .. "ms")
diff --git a/reactor-plc/startup.lua b/reactor-plc/startup.lua
index 6eecad0..f8229e5 100644
--- a/reactor-plc/startup.lua
+++ b/reactor-plc/startup.lua
@@ -14,7 +14,7 @@ local config  = require("reactor-plc.config")
 local plc     = require("reactor-plc.plc")
 local threads = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v0.12.1"
+local R_PLC_VERSION = "v0.12.2"
 
 local print = util.print
 local println = util.println
diff --git a/rtu/rtu.lua b/rtu/rtu.lua
index 1344a3e..a1b9fbd 100644
--- a/rtu/rtu.lua
+++ b/rtu/rtu.lua
@@ -429,8 +429,8 @@ function rtu.comms(version, modem, local_port, server_port, range, conn_watchdog
                             local timestamp = packet.data[1]
                             local trip_time = util.time() - timestamp
 
-                            if trip_time > 500 then
-                                log.warning("RTU KEEP_ALIVE trip time > 500ms (" .. trip_time .. "ms)")
+                            if trip_time > 750 then
+                                log.warning("RTU KEEP_ALIVE trip time > 750ms (" .. trip_time .. "ms)")
                             end
 
                             -- log.debug("RTU RTT = " .. trip_time .. "ms")
diff --git a/rtu/startup.lua b/rtu/startup.lua
index ef7a2df..34f0c65 100644
--- a/rtu/startup.lua
+++ b/rtu/startup.lua
@@ -25,7 +25,7 @@ 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 = "v0.12.2"
+local RTU_VERSION = "v0.12.3"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 
diff --git a/supervisor/session/coordinator.lua b/supervisor/session/coordinator.lua
index 1402993..44dbefe 100644
--- a/supervisor/session/coordinator.lua
+++ b/supervisor/session/coordinator.lua
@@ -202,8 +202,8 @@ function coordinator.new_session(id, in_queue, out_queue, timeout, facility)
                     local srv_now = util.time()
                     self.last_rtt = srv_now - srv_start
 
-                    if self.last_rtt > 500 then
-                        log.warning(log_header .. "COORD KEEP_ALIVE round trip time > 500ms (" .. self.last_rtt .. "ms)")
+                    if self.last_rtt > 750 then
+                        log.warning(log_header .. "COORD KEEP_ALIVE round trip time > 750ms (" .. self.last_rtt .. "ms)")
                     end
 
                     -- log.debug(log_header .. "COORD RTT = " .. self.last_rtt .. "ms")
diff --git a/supervisor/session/plc.lua b/supervisor/session/plc.lua
index 676263c..ae4a087 100644
--- a/supervisor/session/plc.lua
+++ b/supervisor/session/plc.lua
@@ -480,8 +480,8 @@ function plc.new_session(id, reactor_id, in_queue, out_queue, timeout)
                     local srv_now = util.time()
                     self.last_rtt = srv_now - srv_start
 
-                    if self.last_rtt > 500 then
-                        log.warning(log_header .. "PLC KEEP_ALIVE round trip time > 500ms (" .. self.last_rtt .. "ms)")
+                    if self.last_rtt > 750 then
+                        log.warning(log_header .. "PLC KEEP_ALIVE round trip time > 750ms (" .. self.last_rtt .. "ms)")
                     end
 
                     -- log.debug(log_header .. "PLC RTT = " .. self.last_rtt .. "ms")
diff --git a/supervisor/session/rtu.lua b/supervisor/session/rtu.lua
index 9d178fe..d265cad 100644
--- a/supervisor/session/rtu.lua
+++ b/supervisor/session/rtu.lua
@@ -246,8 +246,8 @@ function rtu.new_session(id, in_queue, out_queue, timeout, advertisement, facili
                     local srv_now = util.time()
                     self.last_rtt = srv_now - srv_start
 
-                    if self.last_rtt > 500 then
-                        log.warning(log_header .. "RTU KEEP_ALIVE round trip time > 500ms (" .. self.last_rtt .. "ms)")
+                    if self.last_rtt > 750 then
+                        log.warning(log_header .. "RTU KEEP_ALIVE round trip time > 750ms (" .. self.last_rtt .. "ms)")
                     end
 
                     -- log.debug(log_header .. "RTU RTT = " .. self.last_rtt .. "ms")
diff --git a/supervisor/startup.lua b/supervisor/startup.lua
index 6123014..1117ff7 100644
--- a/supervisor/startup.lua
+++ b/supervisor/startup.lua
@@ -14,7 +14,7 @@ local svsessions = require("supervisor.session.svsessions")
 local config     = require("supervisor.config")
 local supervisor = require("supervisor.supervisor")
 
-local SUPERVISOR_VERSION = "v0.13.3"
+local SUPERVISOR_VERSION = "v0.13.4"
 
 local print = util.print
 local println = util.println