diff --git a/build/arduino-builder-linux32-1.0.0-beta10.tar.bz2.sha b/build/arduino-builder-linux32-1.0.0-beta10.tar.bz2.sha
deleted file mode 100644
index 13f216462..000000000
--- a/build/arduino-builder-linux32-1.0.0-beta10.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-c93699ef6dcc7ac427ca7a6395b5236bb78c877e
diff --git a/build/arduino-builder-linux32-1.0.0-beta11.tar.bz2.sha b/build/arduino-builder-linux32-1.0.0-beta11.tar.bz2.sha
new file mode 100644
index 000000000..1d2ae0752
--- /dev/null
+++ b/build/arduino-builder-linux32-1.0.0-beta11.tar.bz2.sha
@@ -0,0 +1 @@
+7ea03e8ae777fb1482925fbf8030bf6078525f17
diff --git a/build/arduino-builder-linux64-1.0.0-beta10.tar.bz2.sha b/build/arduino-builder-linux64-1.0.0-beta10.tar.bz2.sha
deleted file mode 100644
index fa24cc2fb..000000000
--- a/build/arduino-builder-linux64-1.0.0-beta10.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-17e07c3cfbde3a0ed8d06b18eb2545d00876664a
diff --git a/build/arduino-builder-linux64-1.0.0-beta11.tar.bz2.sha b/build/arduino-builder-linux64-1.0.0-beta11.tar.bz2.sha
new file mode 100644
index 000000000..6e08cb63c
--- /dev/null
+++ b/build/arduino-builder-linux64-1.0.0-beta11.tar.bz2.sha
@@ -0,0 +1 @@
+b91b8c2f0134bf39baa76afaa2d67ba1128f1f5e
diff --git a/build/arduino-builder-macosx-1.0.0-beta10.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta10.tar.bz2.sha
deleted file mode 100644
index 4bd4e847f..000000000
--- a/build/arduino-builder-macosx-1.0.0-beta10.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-c2baa606d87370f6ed1b392167bac9f002eb9932
diff --git a/build/arduino-builder-macosx-1.0.0-beta11.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta11.tar.bz2.sha
new file mode 100644
index 000000000..3809d2563
--- /dev/null
+++ b/build/arduino-builder-macosx-1.0.0-beta11.tar.bz2.sha
@@ -0,0 +1 @@
+64a5bc87040e21773a6c6e8ed24951a77b725f55
diff --git a/build/arduino-builder-windows-1.0.0-beta10.zip.sha b/build/arduino-builder-windows-1.0.0-beta10.zip.sha
deleted file mode 100644
index f9d78d6bc..000000000
--- a/build/arduino-builder-windows-1.0.0-beta10.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-2132fe873266aafb56c665bd690ef14ae400df8e
diff --git a/build/arduino-builder-windows-1.0.0-beta11.zip.sha b/build/arduino-builder-windows-1.0.0-beta11.zip.sha
new file mode 100644
index 000000000..42ddd1010
--- /dev/null
+++ b/build/arduino-builder-windows-1.0.0-beta11.zip.sha
@@ -0,0 +1 @@
+4ea167aaad4f17f8d91282172056f080db7f8d8c
diff --git a/build/build.xml b/build/build.xml
index d99e2832a..f8d4e7e5d 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -71,7 +71,7 @@
     </or>
   </condition>
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.0.0-beta10" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.0.0-beta11" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">