diff --git a/build-libssl.sh b/build-libssl.sh
index 0351809..24436bd 100755
--- a/build-libssl.sh
+++ b/build-libssl.sh
@@ -22,7 +22,7 @@
 #  Change values here													  #
 #																		  #
 VERSION="1.0.1e"													      #
-SDKVERSION="6.1"														  #
+SDKVERSION="7.0"														  #
 #																		  #
 ###########################################################################
 #																		  #
@@ -32,7 +32,7 @@ SDKVERSION="6.1"														  #
 
 
 CURRENTPATH=`pwd`
-ARCHS="i386 armv7 armv7s"
+ARCHS="i386 armv7 armv7s arm64"
 DEVELOPER=`xcode-select -print-path`
 
 if [ ! -d "$DEVELOPER" ]; then
@@ -72,11 +72,12 @@ do
 	
 	export CROSS_TOP="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
 	export CROSS_SDK="${PLATFORM}${SDKVERSION}.sdk"
+	export BUILD_TOOLS="${DEVELOPER}"
 
 	echo "Building openssl-${VERSION} for ${PLATFORM} ${SDKVERSION} ${ARCH}"
 	echo "Please stand by..."
 
-	export CC="${CROSS_TOP}/usr/bin/gcc -arch ${ARCH}"
+	export CC="${BUILD_TOOLS}/usr/bin/gcc -arch ${ARCH}"
 	mkdir -p "${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk"
 	LOG="${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/build-openssl-${VERSION}.log"
 
@@ -87,7 +88,7 @@ do
     fi
 
 	# add -isysroot to CC=
-	sed -ie "s!^CFLAG=!CFLAG=-isysroot ${CROSS_TOP}/SDKs/${CROSS_SDK} !" "Makefile"
+	sed -ie "s!^CFLAG=!CFLAG=-isysroot ${CROSS_TOP}/Platforms/${PLATFORM}.platform/Developer/SDKs/${CROSS_SDK} -miphoneos-version-min=7.0 !" "Makefile"
 
 	make >> "${LOG}" 2>&1
 	make install >> "${LOG}" 2>&1
@@ -95,9 +96,9 @@ do
 done
 
 echo "Build library..."
-lipo -create ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/lib/libssl.a  ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7.sdk/lib/libssl.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7s.sdk/lib/libssl.a -output ${CURRENTPATH}/lib/libssl.a
+lipo -create ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/lib/libssl.a  ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7.sdk/lib/libssl.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7s.sdk/lib/libssl.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-arm64.sdk/lib/libssl.a -output ${CURRENTPATH}/lib/libssl.a
 
-lipo -create ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/lib/libcrypto.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7.sdk/lib/libcrypto.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7s.sdk/lib/libcrypto.a -output ${CURRENTPATH}/lib/libcrypto.a
+lipo -create ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/lib/libcrypto.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7.sdk/lib/libcrypto.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7s.sdk/lib/libcrypto.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-arm64.sdk/lib/libcrypto.a -output ${CURRENTPATH}/lib/libcrypto.a
 
 mkdir -p ${CURRENTPATH}/include
 cp -R ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/include/openssl ${CURRENTPATH}/include/