diff --git a/appveyor.yml b/appveyor.yml
index c906758..3ba94c9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -25,15 +25,17 @@ install:
   - call bin\phpsdk_buildtree.bat v8js-ci
   - cd v8js-ci\vc14\x86
   - md deps
-  - curl -fSL -o v8-4.9.385.29-x86-deps.zip 'https://s3.amazonaws.com/win-phpv8/v8-4.9.385.29-x86-deps.zip'
-  - 7z.exe x v8-4.9.385.29-x86-deps.zip
+  - cd deps
+  - curl -fSL -o win32build.vc14.zip 'https://s3.amazonaws.com/win-phpv8/win32build.vc14.zip'
+  - 7z.exe x win32build.vc14.zip
+  - cd ..
   - curl -fSL -o 'php-%PHP_VERSION%.tar.gz' 'http://us1.php.net/distributions/php-%PHP_VERSION%.tar.gz'
   - ren php php-%PHP_VERSION%
   - 7z.exe x php-%PHP_VERSION%.tar.gz -y
   - 7z.exe x php-%PHP_VERSION%.tar -y | find /v "Extracting"
   - cd php-%PHP_VERSION%
   - mkdir %OUTDIR%
-  - move ..\deps\lib\*.dll %OUTDIR%\
+  - move ..\deps\bin\*.dll %OUTDIR%\
 
 build_script:
   - '"%VS140COMNTOOLS%\VsDevCmd" %BUILD_PLATFORM%'
diff --git a/config.w32 b/config.w32
index ffa9065..04ab65f 100644
--- a/config.w32
+++ b/config.w32
@@ -16,9 +16,9 @@ if (PHP_V8JS != "no") {
 		ADD_FLAG("CFLAGS_V8JS", "/D __STDC_LIMIT_MACROS");
 
 		// defaults
-		var v8major = 4;
-		var v8minor = 7;
-		var v8build = 75;
+		var v8major = 5;
+		var v8minor = 8;
+		var v8build = 301;
 		var v8patch = 0;
 		var v8pinc = search_paths("v8-version.h", php_usual_include_suspects, null);
 		if (typeof(v8pinc) == "string") {