diff --git a/ports/chakracore/CONTROL b/ports/chakracore/CONTROL
index e03e5256fe..f3b510ecd4 100644
--- a/ports/chakracore/CONTROL
+++ b/ports/chakracore/CONTROL
@@ -1,3 +1,3 @@
 Source: chakracore
-Version: 1.4.0-1
+Version: 1.4.3
 Description: Core part of the Chakra Javascript engine
\ No newline at end of file
diff --git a/ports/chakracore/disable_warning_as_error.patch b/ports/chakracore/disable_warning_as_error.patch
deleted file mode 100644
index da7b5da77f..0000000000
--- a/ports/chakracore/disable_warning_as_error.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff --git a/bin/NativeTests/NativeTests.vcxproj b/bin/NativeTests/NativeTests.vcxproj
-index d020992..ac70a65 100644
---- a/bin/NativeTests/NativeTests.vcxproj
-+++ b/bin/NativeTests/NativeTests.vcxproj
-@@ -30,6 +30,15 @@
-       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-       <SmallerTypeCheck>false</SmallerTypeCheck>
-       <MinimalRebuild>false</MinimalRebuild>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Test|Win32'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Test|ARM'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</TreatWarningAsError>
-+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Test|x64'">false</TreatWarningAsError>
-       <!-- <CallingConvention Condition="'$(Platform)'=='Win32'">CDecl</CallingConvention> -->
-     </ClCompile>
-     <Link>
diff --git a/ports/chakracore/no-warning-as-error.props b/ports/chakracore/no-warning-as-error.props
new file mode 100644
index 0000000000..6020ed1e86
--- /dev/null
+++ b/ports/chakracore/no-warning-as-error.props
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <ItemDefinitionGroup>
+        <ClCompile>
+            <TreatWarningAsError>false</TreatWarningAsError>
+        </ClCompile>
+    </ItemDefinitionGroup>
+</Project>
diff --git a/ports/chakracore/portfile.cmake b/ports/chakracore/portfile.cmake
index 3f19224ed0..331cd8b316 100644
--- a/ports/chakracore/portfile.cmake
+++ b/ports/chakracore/portfile.cmake
@@ -7,18 +7,12 @@ if (VCPKG_CRT_LINKAGE STREQUAL static)
 endif()
 include(vcpkg_common_functions)
 
-set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/ChakraCore-1.4.1)
-vcpkg_download_distfile(ARCHIVE_FILE
-    URLS "https://github.com/Microsoft/ChakraCore/archive/v1.4.1.tar.gz"
-    FILENAME "ChakraCore-1.4.1.tar.gz"
-    SHA512 9ca89de88a4d6102826ce4e301ea81b70296cca72131043f9942de715dee2862791c6f33ebce1f12fcafc1554a872a2cf9317313d56c57abff0a6d814a77f2d5
-)
-vcpkg_extract_source_archive(${ARCHIVE_FILE})
-
-vcpkg_apply_patches(
-    SOURCE_PATH ${SOURCE_PATH}
-    PATCHES 
-        ${CMAKE_CURRENT_LIST_DIR}/disable_warning_as_error.patch
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO Microsoft/ChakraCore
+    REF v1.4.3
+    SHA512 6083bbbb4b980f44fe0e1d3581eea17190e379134f9312f11d195694aa3e0d9723406d8048ce461bc2744306c07b44465d6d58636b114a82b2f42d7a3316c9af
+    HEAD_REF master
 )
 
 find_path(COR_H_PATH cor.h)
@@ -29,7 +23,7 @@ get_filename_component(NETFXSDK_PATH "${COR_H_PATH}/../.." ABSOLUTE)
 
 vcpkg_build_msbuild(
     PROJECT_PATH ${SOURCE_PATH}/Build/Chakra.Core.sln
-    OPTIONS "/p:DotNetSdkRoot=${NETFXSDK_PATH}/"
+    OPTIONS "/p:DotNetSdkRoot=${NETFXSDK_PATH}/" "/p:CustomBeforeMicrosoftCommonTargets=${CMAKE_CURRENT_LIST_DIR}/no-warning-as-error.props"
 )
 
 file(INSTALL