diff --git a/ports/json-c/fix-clang-cl.patch b/ports/json-c/fix-clang-cl.patch
deleted file mode 100644
index a2609d5d28cbdf..00000000000000
--- a/ports/json-c/fix-clang-cl.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 0aa1b64..54e7b3d 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -295,7 +295,7 @@ message(STATUS "Wrote ${PROJECT_BINARY_DIR}/config.h")
- configure_file(${PROJECT_SOURCE_DIR}/cmake/json_config.h.in   ${PROJECT_BINARY_DIR}/json_config.h)
- message(STATUS "Wrote ${PROJECT_BINARY_DIR}/json_config.h")
- 
--if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
-+if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" AND NOT MSVC)
-     set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections")
- 	if ("${DISABLE_WERROR}" STREQUAL "OFF")
- 	    set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} -Werror")
-@@ -316,7 +316,7 @@ if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL
-         # Remove this for 1.0 when we can bump the ABI and actually fix these warnings.
-         set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} -Wno-shorten-64-to-32")
-     endif()
--elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
-+elseif (MSVC)
-     set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} /DEBUG")
-     set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} /wd4100")
-     set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} /wd4996")
diff --git a/ports/json-c/pkgconfig.patch b/ports/json-c/pkgconfig.patch
deleted file mode 100644
index 893406ed510379..00000000000000
--- a/ports/json-c/pkgconfig.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index ffb1db3dc..a82ed8619 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -273,7 +273,7 @@ install(
-     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
- )
- 
--if (UNIX OR MINGW OR CYGWIN)
-+if (1)
-     SET(prefix ${CMAKE_INSTALL_PREFIX})
-     # exec_prefix is prefix by default and CMake does not have the
-     # concept.
diff --git a/ports/json-c/portfile.cmake b/ports/json-c/portfile.cmake
index dccd504f701dc0..b15393af8ffb96 100644
--- a/ports/json-c/portfile.cmake
+++ b/ports/json-c/portfile.cmake
@@ -1,11 +1,10 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO json-c/json-c
-    REF b4c371fa0cbc4dcbaccc359ce9e957a22988fb34
-    SHA512 1338271a6f9ffb3b8a8d4f2ec36a374ed84b3c91f789b607693c08cbeb38c4fdd813593f530ff94e841a095ff367a3ae8c5f5e7dbcb64e8f9044f6affdf24505
+    REF "json-c-${VERSION}"
+
+    SHA512 219d8c0da9a4016b74af238cc15dbec1f369a07de160bcc548d80279028e1b5d8d928deb13fec09c96a085fc0ecf10090e309cbe72d0081aca864433c4ae01db
     HEAD_REF master
-    PATCHES pkgconfig.patch
-            fix-clang-cl.patch
 )
 
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" JSON_BUILD_STATIC)
diff --git a/ports/json-c/vcpkg.json b/ports/json-c/vcpkg.json
index 16efcbaa1299ed..99b06dd5a67623 100644
--- a/ports/json-c/vcpkg.json
+++ b/ports/json-c/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "json-c",
-  "version-date": "2023-08-12",
+  "version": "0.18-20240915",
   "description": "A JSON implementation in C",
   "homepage": "https://github.com/json-c/json-c",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index 4bdaf1348f9cf0..7b19040cb3a2a0 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3849,7 +3849,7 @@
       "port-version": 2
     },
     "json-c": {
-      "baseline": "2023-08-12",
+      "baseline": "0.18-20240915",
       "port-version": 0
     },
     "json-dto": {
diff --git a/versions/j-/json-c.json b/versions/j-/json-c.json
index bc29eb13f545d0..347c04e325b83a 100644
--- a/versions/j-/json-c.json
+++ b/versions/j-/json-c.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "786a0712b7019e33da008008e17fb920932e9e8d",
+      "version": "0.18-20240915",
+      "port-version": 0
+    },
     {
       "git-tree": "dcfc2cbe17b88101d8e40f6eb6141b77caff68e9",
       "version-date": "2023-08-12",