diff --git a/build/arduino-builder-linux32-1.0.0-beta5.tar.bz2.sha b/build/arduino-builder-linux32-1.0.0-beta5.tar.bz2.sha
deleted file mode 100644
index 9482d7a6a..000000000
--- a/build/arduino-builder-linux32-1.0.0-beta5.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-a5cc2194e8e28b36994a7680f4b52a0a9f881728
diff --git a/build/arduino-builder-linux32-1.0.0-beta6.tar.bz2.sha b/build/arduino-builder-linux32-1.0.0-beta6.tar.bz2.sha
new file mode 100644
index 000000000..86ec11172
--- /dev/null
+++ b/build/arduino-builder-linux32-1.0.0-beta6.tar.bz2.sha
@@ -0,0 +1 @@
+b1db33284e1af5e70db22cff613b28b296fea28d
diff --git a/build/arduino-builder-linux64-1.0.0-beta5.tar.bz2.sha b/build/arduino-builder-linux64-1.0.0-beta5.tar.bz2.sha
deleted file mode 100644
index 700c7ae90..000000000
--- a/build/arduino-builder-linux64-1.0.0-beta5.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-fecfbe41b5da2fb3b0ca004d7adc3a5ef9897f14
diff --git a/build/arduino-builder-linux64-1.0.0-beta6.tar.bz2.sha b/build/arduino-builder-linux64-1.0.0-beta6.tar.bz2.sha
new file mode 100644
index 000000000..421145739
--- /dev/null
+++ b/build/arduino-builder-linux64-1.0.0-beta6.tar.bz2.sha
@@ -0,0 +1 @@
+3b60c64131df7755f3393b97674200380df66cf6
diff --git a/build/arduino-builder-macosx-1.0.0-beta5.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta5.tar.bz2.sha
deleted file mode 100644
index be3ebbcea..000000000
--- a/build/arduino-builder-macosx-1.0.0-beta5.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-f54a57f018e446b0d4823a949cb268bd7a867a25
diff --git a/build/arduino-builder-macosx-1.0.0-beta6.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta6.tar.bz2.sha
new file mode 100644
index 000000000..ceacca939
--- /dev/null
+++ b/build/arduino-builder-macosx-1.0.0-beta6.tar.bz2.sha
@@ -0,0 +1 @@
+25ade777ad142f99ab1f6440d160f3a3d467f2cc
diff --git a/build/arduino-builder-windows-1.0.0-beta5.zip.sha b/build/arduino-builder-windows-1.0.0-beta5.zip.sha
deleted file mode 100644
index 695d69816..000000000
--- a/build/arduino-builder-windows-1.0.0-beta5.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-909fa3ad2655e31f2747f96d21a77408b7bb0c35
diff --git a/build/arduino-builder-windows-1.0.0-beta6.zip.sha b/build/arduino-builder-windows-1.0.0-beta6.zip.sha
new file mode 100644
index 000000000..cfbceda6c
--- /dev/null
+++ b/build/arduino-builder-windows-1.0.0-beta6.zip.sha
@@ -0,0 +1 @@
+f3a941f1ec9d5563f8d2dc5d43530d775df1bdd3
diff --git a/build/build.xml b/build/build.xml
index bd45f6bde..2de5ce7a9 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -71,7 +71,7 @@
     </or>
   </condition>
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.0.0-beta5" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.0.0-beta6" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">