diff --git a/ports/cserialport/portfile.cmake b/ports/cserialport/portfile.cmake
index d1fceff0c7..2e49f3c76a 100644
--- a/ports/cserialport/portfile.cmake
+++ b/ports/cserialport/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO itas109/CSerialPort
-    REF v4.3.0
-    SHA512 dfe8eff2c78e06667c5de638d9fb688a42d473037415244f5f3a13b875604439447844bb12106a47d81155f05867b3d7c01577ee1942cf6af255a997c40954f8
+    REF "v${VERSION}"
+    SHA512 a642087f3683ec1c97009f1cbc0b1d277101cf08b3bf43207b9474f657e11d711160b011c5aeed6f99ca1307d90ec44f7c664533f7eaa112805cf994a0ce365e
     HEAD_REF master
 )
 
diff --git a/ports/cserialport/vcpkg.json b/ports/cserialport/vcpkg.json
index e8cacfaacb..2dd5306412 100644
--- a/ports/cserialport/vcpkg.json
+++ b/ports/cserialport/vcpkg.json
@@ -1,8 +1,7 @@
 {
   "name": "cserialport",
-  "version": "4.3.0",
-  "port-version": 1,
-  "description": "C++ lightweight cross-platform serial port library, also support C#, Java, Python, Node.js etc.",
+  "version": "4.3.1",
+  "description": "C++ lightweight cross-platform serial port library, also support C, C#, Java, Python, Node.js, Electron etc.",
   "homepage": "https://github.com/itas109/CSerialPort",
   "license": "LGPL-3.0-only",
   "supports": "!uwp & !xbox",
diff --git a/versions/baseline.json b/versions/baseline.json
index 4f56e9eda2..c323b6c8fa 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2033,8 +2033,8 @@
       "port-version": 0
     },
     "cserialport": {
-      "baseline": "4.3.0",
-      "port-version": 1
+      "baseline": "4.3.1",
+      "port-version": 0
     },
     "cspice": {
       "baseline": "67",
diff --git a/versions/c-/cserialport.json b/versions/c-/cserialport.json
index 7e26904362..8cc6540b91 100644
--- a/versions/c-/cserialport.json
+++ b/versions/c-/cserialport.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "147cf49ff6bcecc86c1644cd0db7e54517eec4fa",
+      "version": "4.3.1",
+      "port-version": 0
+    },
     {
       "git-tree": "842df8d9c0fac5c130724643392f828bb20a6f97",
       "version": "4.3.0",