diff --git a/README.md b/README.md
index 29f64e3..923173f 100644
--- a/README.md
+++ b/README.md
@@ -402,7 +402,7 @@ Tests need no hardware: they run against the SunSpec fixture server of go-sunspe
 ## Requirements
 
 - Go 1.26+ to build from source (not needed with the installer)
-- [otfabric/go-sunspec](https://github.com/otfabric/go-sunspec) v0.10.1+ and [otfabric/go-modbus](https://github.com/otfabric/go-modbus) v1.14.5+
+- [otfabric/go-sunspec](https://github.com/otfabric/go-sunspec) v0.10.2+ and [otfabric/go-modbus](https://github.com/otfabric/go-modbus) v1.15.1+
 
 ## Contributing
 
diff --git a/RELEASE.md b/RELEASE.md
index 25c2798..1abdb07 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,5 +1,19 @@
 # sunspecctl Releases
 
+## v0.7.2
+
+**Date:** 2026-11-13
+**Previous release:** v0.7.1
+
+### Changed
+
+- Built on go-modbus v1.15.1 and go-sunspec v0.10.2 (was go-modbus v1.14.5 and go-sunspec v0.10.1). go-sunspec is a dependency bump only.
+- `rtu://` and `ascii://`: after a timeout or an answer that does not match its request, the client discards the line until it is quiet, so the next request does not receive a late answer to an earlier one.
+- `rtuovertcp://`, `asciiovertcp://` and `rtuoverudp://`: the client closes and redials the connection after a request error or a mismatched answer. Expect more reconnects behind gateways where units often time out.
+- `serve` on `tcp+tls://`: when all 10 client slots are taken, a new connection replaces the oldest connection still in its TLS handshake instead of being refused; connections that completed the handshake are kept. A client must complete the TLS handshake within 10 s (was 30 s).
+
+---
+
 ## v0.7.1
 
 **Date:** 2026-11-13
diff --git a/go.mod b/go.mod
index c0264bc..0387e88 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,8 @@ module github.com/otfabric/sunspecctl
 go 1.26.0
 
 require (
-	github.com/otfabric/go-modbus v1.14.5
-	github.com/otfabric/go-sunspec v0.10.1
+	github.com/otfabric/go-modbus v1.15.1
+	github.com/otfabric/go-sunspec v0.10.2
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 )
diff --git a/go.sum b/go.sum
index f0f075b..fbc43af 100644
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,12 @@
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/otfabric/go-modbus v1.14.5 h1:jJ/DHNXxKNJqWCOz4EM2WvJ21K3CrDX9/kFuVYdQhBQ=
-github.com/otfabric/go-modbus v1.14.5/go.mod h1:JF9zr+k/zgGilGDsDbS6pg33w8i9VPbFmaVpbnaHVzU=
+github.com/otfabric/go-modbus v1.15.1 h1:uQjS4xWjc2Pd6IDsBWj/MNGqRHfOMkKC1IHCJuAEnN8=
+github.com/otfabric/go-modbus v1.15.1/go.mod h1:JF9zr+k/zgGilGDsDbS6pg33w8i9VPbFmaVpbnaHVzU=
 github.com/otfabric/go-serial v0.3.0 h1:HHklo8Ak76ffDUIv7Jd2A2ScAiI/wZhV1o8IWUj4ywA=
 github.com/otfabric/go-serial v0.3.0/go.mod h1:CGEz7RtffVDY/EBU8oN/ydSCjMOdtRpB0LNTc8BmSUQ=
-github.com/otfabric/go-sunspec v0.10.1 h1:jr5ea0MnAvcB42PP/fvVpAHjCrhQdIkNjb/Eep6cVMY=
-github.com/otfabric/go-sunspec v0.10.1/go.mod h1:jgD8ExkU0fp6wmhumPmzQJDIQsArJ7cl15RHOWFNizo=
+github.com/otfabric/go-sunspec v0.10.2 h1:nRmxsb53V8/B7dc4qebpFYlanEJVSxc7CZopbdSVCMo=
+github.com/otfabric/go-sunspec v0.10.2/go.mod h1:ZNYeTqmkFUwBug7KRBKte3QuxYReClhuOk/m2uU6hHg=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/santhosh-tekuri/jsonschema/v6 v6.0.3 h1:1EYB5IzjZawrrnELUi78f9fPu57HuXjmddZPjrls/28=
 github.com/santhosh-tekuri/jsonschema/v6 v6.0.3/go.mod h1:JXeL+ps8p7/KNMjDQk3TCwPpBy0wYklyWTfbkIzdIFU=