diff --git a/ports/cppgraphqlgen/portfile.cmake b/ports/cppgraphqlgen/portfile.cmake
index 66a0b0190f65e9..a2d121a4d99870 100644
--- a/ports/cppgraphqlgen/portfile.cmake
+++ b/ports/cppgraphqlgen/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO microsoft/cppgraphqlgen
-    REF v4.2.0
-    SHA512 81dd9d81c7f05470b2bfd106e75b54aa79ae15085b43daab68b4ce4784c5b1885e5eb342e4c29c3131e79d566627b7cf46901311c51c18334b440f4744c44142
+    REF v4.3.1
+    SHA512 22c453d9617ce420c194edc9a73ffb6b1b48722e24186d4b76bc36d9dd64a8720aa3f85905d43b07c3e31781ef30a945f935ca216dc464f16a1c088380dea4e6
     HEAD_REF main
 )
 
diff --git a/ports/cppgraphqlgen/vcpkg.json b/ports/cppgraphqlgen/vcpkg.json
index d19e8d7f19f9ae..5209f9d50a1b05 100644
--- a/ports/cppgraphqlgen/vcpkg.json
+++ b/ports/cppgraphqlgen/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "cppgraphqlgen",
-  "version-semver": "4.2.0",
+  "version": "4.3.1",
   "description": "C++ GraphQL schema service generator",
   "homepage": "https://github.com/microsoft/cppgraphqlgen",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index 9da5e91d8da847..f6acb5e682b68b 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1609,7 +1609,7 @@
       "port-version": 1
     },
     "cppgraphqlgen": {
-      "baseline": "4.2.0",
+      "baseline": "4.3.1",
       "port-version": 0
     },
     "cppitertools": {
diff --git a/versions/c-/cppgraphqlgen.json b/versions/c-/cppgraphqlgen.json
index 42beb76497077c..b4c5accad41538 100644
--- a/versions/c-/cppgraphqlgen.json
+++ b/versions/c-/cppgraphqlgen.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "7c3acfd5254a4ae0680cc3f96eef630bcaab7b36",
+      "version": "4.3.1",
+      "port-version": 0
+    },
     {
       "git-tree": "c8d2246a2df1d89e380901d0027220ca7a91531d",
       "version-semver": "4.2.0",