diff --git a/build/arduino-builder-linux32-1.0.0-beta14.tar.bz2.sha b/build/arduino-builder-linux32-1.0.0-beta14.tar.bz2.sha
deleted file mode 100644
index 517b6eeb8..000000000
--- a/build/arduino-builder-linux32-1.0.0-beta14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-7c844e08421b85214ba89947c45edb2af817c315
diff --git a/build/arduino-builder-linux32-1.0.0-beta15.tar.bz2.sha b/build/arduino-builder-linux32-1.0.0-beta15.tar.bz2.sha
new file mode 100644
index 000000000..723d965cb
--- /dev/null
+++ b/build/arduino-builder-linux32-1.0.0-beta15.tar.bz2.sha
@@ -0,0 +1 @@
+b543527ab596234616481757a91d00dbaa618e6c
diff --git a/build/arduino-builder-linux64-1.0.0-beta14.tar.bz2.sha b/build/arduino-builder-linux64-1.0.0-beta14.tar.bz2.sha
deleted file mode 100644
index 0b5fb0206..000000000
--- a/build/arduino-builder-linux64-1.0.0-beta14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-7af1b8beafcb7e703f5e44e788fa9283f94b14c9
diff --git a/build/arduino-builder-linux64-1.0.0-beta15.tar.bz2.sha b/build/arduino-builder-linux64-1.0.0-beta15.tar.bz2.sha
new file mode 100644
index 000000000..0dd1f8992
--- /dev/null
+++ b/build/arduino-builder-linux64-1.0.0-beta15.tar.bz2.sha
@@ -0,0 +1 @@
+034271c81c222959efb6353fbf54d256076db728
diff --git a/build/arduino-builder-macosx-1.0.0-beta14.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta14.tar.bz2.sha
deleted file mode 100644
index a37c5e166..000000000
--- a/build/arduino-builder-macosx-1.0.0-beta14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-2dc43e8a7cc7d0cde7fef80e007e8e7c73fa7779
diff --git a/build/arduino-builder-macosx-1.0.0-beta15.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta15.tar.bz2.sha
new file mode 100644
index 000000000..f46ba1ef4
--- /dev/null
+++ b/build/arduino-builder-macosx-1.0.0-beta15.tar.bz2.sha
@@ -0,0 +1 @@
+51d1d55486235a6e3e81210283744ceef5c72078
diff --git a/build/arduino-builder-windows-1.0.0-beta14.zip.sha b/build/arduino-builder-windows-1.0.0-beta14.zip.sha
deleted file mode 100644
index fc39106d9..000000000
--- a/build/arduino-builder-windows-1.0.0-beta14.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-2afe78069a0dc2179c78d69ce9cf6890a505f9c9
diff --git a/build/arduino-builder-windows-1.0.0-beta15.zip.sha b/build/arduino-builder-windows-1.0.0-beta15.zip.sha
new file mode 100644
index 000000000..68d598de7
--- /dev/null
+++ b/build/arduino-builder-windows-1.0.0-beta15.zip.sha
@@ -0,0 +1 @@
+2f1b37569aa399d2c40b0798a4382cbc4b4a0509
diff --git a/build/build.xml b/build/build.xml
index 5bb078c27..c0b0187d2 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -71,7 +71,7 @@
     </or>
   </condition>
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.0.0-beta14" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.0.0-beta15" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">