diff --git a/ports/libmodbus/vcpkg.json b/ports/libmodbus/vcpkg.json
index 08d6a1cda5..6cb4e41e0e 100644
--- a/ports/libmodbus/vcpkg.json
+++ b/ports/libmodbus/vcpkg.json
@@ -1,8 +1,9 @@
 {
   "name": "libmodbus",
   "version": "3.1.6",
-  "port-version": 2,
+  "port-version": 3,
   "description": "libmodbus is a free software library to send/receive data with a device which respects the Modbus protocol",
   "homepage": "https://github.com/stephane/libmodbus",
+  "license": "LGPL-2.1-or-later",
   "supports": "!uwp"
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index 6756a026a7..a3f2fd0d4b 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3978,7 +3978,7 @@
     },
     "libmodbus": {
       "baseline": "3.1.6",
-      "port-version": 2
+      "port-version": 3
     },
     "libmodman": {
       "baseline": "2.0.1",
diff --git a/versions/l-/libmodbus.json b/versions/l-/libmodbus.json
index f0a166f164..97f9dd5e9c 100644
--- a/versions/l-/libmodbus.json
+++ b/versions/l-/libmodbus.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "c6a0946db6d2956324bcaca62d6599adb3fbfea4",
+      "version": "3.1.6",
+      "port-version": 3
+    },
     {
       "git-tree": "654921557bd29a70ed05ce78374c52b43e6defad",
       "version": "3.1.6",