diff --git a/ports/json-dto/portfile.cmake b/ports/json-dto/portfile.cmake
index d5a577e54e..cb7ceeca97 100644
--- a/ports/json-dto/portfile.cmake
+++ b/ports/json-dto/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO stiffstream/json_dto
-    REF c878c002109784c5d7d7dd51e94cec19a200ff79 # v.0.2.15
-    SHA512 7900263ac0cf815e31e2e6d632d4093f896a34d7842a81574c71e8883c6bbee3a75fa717b7fb0ac9a0c34a4e4e1bad855b7ea0374321745a43f3235b213da9f8
+    REF 00e5313d56d5e5ab7cd1d8635e6740d6c01552e9 # v.0.3.0
+    SHA512 31d63b00029848d6983c948461619322525907dcc45bae4e07150400c62470f0aa72034db847d5d2e1626b6d820cc8a98cc5cbdfb33aee235cd06efb88816667
 )
 
 vcpkg_cmake_configure(
diff --git a/ports/json-dto/vcpkg.json b/ports/json-dto/vcpkg.json
index 08f3170e7c..e27514f917 100644
--- a/ports/json-dto/vcpkg.json
+++ b/ports/json-dto/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "json-dto",
-  "version": "0.2.15",
+  "version": "0.3.0",
   "description": "A small header-only library for converting data between json representation and c++ structs.",
   "homepage": "https://github.com/Stiffstream/json_dto",
   "license": "BSD-3-Clause",
diff --git a/versions/baseline.json b/versions/baseline.json
index 4c6e260aca..b96a75f4a6 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2969,7 +2969,7 @@
       "port-version": 2
     },
     "json-dto": {
-      "baseline": "0.2.15",
+      "baseline": "0.3.0",
       "port-version": 0
     },
     "json-schema-validator": {
diff --git a/versions/j-/json-dto.json b/versions/j-/json-dto.json
index 75e06e7fd0..9a3dc83fd1 100644
--- a/versions/j-/json-dto.json
+++ b/versions/j-/json-dto.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "87cb384a3c0b77cf96d77ea95e22f1e9051cb19d",
+      "version": "0.3.0",
+      "port-version": 0
+    },
     {
       "git-tree": "83c0ba869841555aeff8eb4954efcc64ae25a755",
       "version": "0.2.15",