diff --git a/build/build.xml b/build/build.xml
index c01b23989..3ad74931e 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -130,7 +130,7 @@
 
     <antcall target="untar">
       <param name="archive_file" value="./esptool-0.0.3.tgz" />
-      <!--param name="archive_url" value="http://th.igrr.me/esptool-0.0.3.tgz" / -->
+      <param name="archive_url" value="http://download.igrr.me/esptool-0.0.3.tgz" />
       <param name="final_folder" value="${staging_folder}/work/${staging_hardware_folder}/tools/esp8266/esptool-0.0.3" />
       <param name="dest_folder" value="${staging_folder}/work/${staging_hardware_folder}/tools/esp8266/" />
     </antcall>    
@@ -277,8 +277,7 @@
     <move file="macosx/work/${staging_hardware_folder}/tools/esp8266/esptool-0.0.3/esptool_osx" tofile="macosx/work/${staging_hardware_folder}/tools/esp8266/esptool" />
     
     <delete dir="macosx/work/${staging_hardware_folder}/tools/esp8266/esptool-0.0.3/" />
-    <chmod perm="755" file="macosx/work/${staging_hardware_folder}/tools/esp8266/espflash" />
-
+    
     <antcall target="unzip">
       <param name="archive_file" value="./libastylej-2.04.zip" />
       <param name="archive_url" value="http://downloads.arduino.cc/libastylej-2.04.zip" />
@@ -289,8 +288,8 @@
     <chmod perm="755" file="macosx/work/Arduino.app/Contents/Resources/Java/lib/libastylej.jnilib" />
 
     <antcall target="untar">
-      <param name="archive_file" value="./osx-xtensa-lx106-elf.tgz" />
-      <!--param name="archive_url" value="http://downloads.arduino.cc/libastylej-2.04.zip" / -->
+      <param name="archive_file" value="${staging_folder}/dist/osx-xtensa-lx106-elf.tgz" />
+      <param name="archive_url" value="http://download.igrr.me/osx-xtensa-lx106-elf.tgz" />
       <param name="final_folder" value="${staging_folder}/work/${staging_hardware_folder}/tools/esp8266/xtensa-lx106-elf" />
       <param name="dest_folder" value="${staging_folder}/work/${staging_hardware_folder}/tools/esp8266/" />
     </antcall>
diff --git a/build/esptool-0.0.3.tgz.sha b/build/esptool-0.0.3.tgz.sha
new file mode 100644
index 000000000..06ef3661b
--- /dev/null
+++ b/build/esptool-0.0.3.tgz.sha
@@ -0,0 +1 @@
+f19b71ce714b6b2f18914aba585b6e62dab0b5d4
diff --git a/build/macosx/dist/osx-xtensa-lx106-elf.tgz.sha b/build/macosx/dist/osx-xtensa-lx106-elf.tgz.sha
new file mode 100644
index 000000000..8bf182948
--- /dev/null
+++ b/build/macosx/dist/osx-xtensa-lx106-elf.tgz.sha
@@ -0,0 +1 @@
+123cd06d38cfe9f09bfad89cf209a2486221849f