diff --git a/CMakeLists.txt b/CMakeLists.txt
index f591dab2..9ba2bd13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,10 +1,10 @@
 cmake_minimum_required(VERSION 3.6)
 
-set(ASYNCIFY OFF)
-set(EMTERPRETIFY ON)
+set(ASYNCIFY ON)
+set(EMTERPRETIFY OFF)
 
 if(${EMSCRIPTEN})
-	set(OPT_FLAG "-O3")
+	set(OPT_FLAG "-Oz")
 	set(USE_PORTS "-s USE_ZLIB=1")
 	set(CMAKE_C_FLAGS "${OPT_FLAG} -w -Werror=return-type ${USE_PORTS}")
 	set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} ${USE_PORTS}")
@@ -30,7 +30,7 @@ if(${EMSCRIPTEN})
 	add_definitions(-DEMSCRIPTEN)		
 
 	if(ASYNCIFY)
-		set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s ASYNCIFY")
+		set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s ASYNCIFY -s ASYNCIFY_WHITELIST=@${CMAKE_CURRENT_LIST_DIR}/js-dos-cpp/asyncify.txt")
 		# -s ASYNCIFY_IGNORE_INDIRECT \	
 	elseif(EMTERPRETIFY)
 		set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1 -s EMTERPRETIFY_WHITELIST=@${CMAKE_CURRENT_LIST_DIR}/js-dos-cpp/emterpretify.txt")
diff --git a/dist/docs/api/js-dos-ts/js-dos-build.md b/dist/docs/api/js-dos-ts/js-dos-build.md
index b8000c41..5433328e 100644
--- a/dist/docs/api/js-dos-ts/js-dos-build.md
+++ b/dist/docs/api/js-dos-ts/js-dos-build.md
@@ -20,11 +20,11 @@ gulpfile.js --> generateBuildInfo
 ```
 
 export const Build = {
-    version: "6.22.30 (a7b59eaf2e131f1b5328a04f3c33a613)",
-    jsVersion: "7a9b47b1c3ba95d95d4d2bb58b9248ae603f7479",
-    jsSize:  502767,
-    wasmVersion: "8ec72e090a255b8554388f6b0d12602c",
-    wasmSize: 2297225,
+    version: "6.22.31 (d0c777fff2df3c2553a8b769a86eca06)",
+    jsVersion: "b0eefc097d2c5270a1a463700335826f156460ea",
+    jsSize:  196977,
+    wasmVersion: "03ff8f9208bc11b041bebc7cce39e56d",
+    wasmSize: 1810179,
 };
 
 
diff --git a/js-dos-ts/js-dos-build.ts b/js-dos-ts/js-dos-build.ts
index b5524a37..76dc098b 100644
--- a/js-dos-ts/js-dos-build.ts
+++ b/js-dos-ts/js-dos-build.ts
@@ -3,9 +3,9 @@
 // gulpfile.js --> generateBuildInfo
 
 export const Build = {
-    version: "6.22.30 (a7b59eaf2e131f1b5328a04f3c33a613)",
-    jsVersion: "7a9b47b1c3ba95d95d4d2bb58b9248ae603f7479",
-    jsSize:  502767,
-    wasmVersion: "8ec72e090a255b8554388f6b0d12602c",
-    wasmSize: 2297225,
+    version: "6.22.31 (d0c777fff2df3c2553a8b769a86eca06)",
+    jsVersion: "b0eefc097d2c5270a1a463700335826f156460ea",
+    jsSize:  196977,
+    wasmVersion: "03ff8f9208bc11b041bebc7cce39e56d",
+    wasmSize: 1810179,
 };
diff --git a/package.json b/package.json
index 5a832135..11ed0e65 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "js-dos",
-  "version": "6.22.30",
+  "version": "6.22.31",
   "description": "Easiest API to run dos programs in browser",
   "main": "dist/js-dos.js",
   "types": "dist/typescript/js-dos.ts",