diff --git a/build/build.xml b/build/build.xml
index d0ec28b97..be08579b3 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -92,7 +92,7 @@
   <property name="ARDUINO-BUILDER-VERSION" value="1.3.19" />
   <property name="LIBLISTSERIAL-VERSION" value="1.1.3" />
   <property name="AVRGCC-VERSION" value="4.9.2-arduino" />
-  <property name="AVRDUDE-VERSION" value="6.3-arduino" />
+  <property name="AVRDUDE-VERSION" value="6.3.0-arduino2" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">
diff --git a/build/linux/avrdude-6.3-arduino-armhf-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3-arduino-armhf-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index d25b02476..000000000
--- a/build/linux/avrdude-6.3-arduino-armhf-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-709fe71fc92f1bf41b55f5f0e7fde11c4a0f2258
diff --git a/build/linux/avrdude-6.3-arduino-i686-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3-arduino-i686-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index 390d6dfb2..000000000
--- a/build/linux/avrdude-6.3-arduino-i686-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-cd3c6f573f015f3f907e0cf385bc688a7bca68fb
diff --git a/build/linux/avrdude-6.3-arduino-x86_64-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3-arduino-x86_64-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index 73120144a..000000000
--- a/build/linux/avrdude-6.3-arduino-x86_64-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-5da144bfa6cdd723bcbb34b1d7cf54fc4ff85181
diff --git a/build/linux/avrdude-6.3.0-arduino2-armhf-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino2-armhf-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 000000000..389ab1832
--- /dev/null
+++ b/build/linux/avrdude-6.3.0-arduino2-armhf-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+a074c17e2013942e3e081fe03875c9d5701a0922
diff --git a/build/linux/avrdude-6.3.0-arduino2-i686-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino2-i686-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 000000000..844fb6a27
--- /dev/null
+++ b/build/linux/avrdude-6.3.0-arduino2-i686-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+e9ce49f5e5c7d0d2eabd9405ca6160b70cd52645
diff --git a/build/linux/avrdude-6.3.0-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 000000000..1104a3842
--- /dev/null
+++ b/build/linux/avrdude-6.3.0-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+3ba4c2660f8a8c40ba3902ab8a158aa3e1b91764
diff --git a/build/macosx/avrdude-6.3-arduino-i386-apple-darwin11.tar.bz2.sha b/build/macosx/avrdude-6.3-arduino-i386-apple-darwin11.tar.bz2.sha
deleted file mode 100644
index 9fddf9027..000000000
--- a/build/macosx/avrdude-6.3-arduino-i386-apple-darwin11.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-69313a235a017a58d547840f7bcb3a9d8f730427
diff --git a/build/macosx/avrdude-6.3.0-arduino2-i386-apple-darwin11.tar.bz2.sha b/build/macosx/avrdude-6.3.0-arduino2-i386-apple-darwin11.tar.bz2.sha
new file mode 100644
index 000000000..edb160cf3
--- /dev/null
+++ b/build/macosx/avrdude-6.3.0-arduino2-i386-apple-darwin11.tar.bz2.sha
@@ -0,0 +1 @@
+39a1940fbb4a25af5316d9a6bde99b6a29585e37
diff --git a/build/windows/avrdude-6.3-arduino-i686-w64-mingw32.tar.bz2.sha b/build/windows/avrdude-6.3-arduino-i686-w64-mingw32.tar.bz2.sha
deleted file mode 100644
index 1abe3921f..000000000
--- a/build/windows/avrdude-6.3-arduino-i686-w64-mingw32.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-290557c99c63a8c53dec67acc1719687f0f8c6a3
diff --git a/build/windows/avrdude-6.3.0-arduino2-i686-w64-mingw32.tar.bz2.sha b/build/windows/avrdude-6.3.0-arduino2-i686-w64-mingw32.tar.bz2.sha
new file mode 100644
index 000000000..2fa330629
--- /dev/null
+++ b/build/windows/avrdude-6.3.0-arduino2-i686-w64-mingw32.tar.bz2.sha
@@ -0,0 +1 @@
+3aa66a7f485bc4eae5eb8f8ce1140950607e8490