diff --git a/build/arduino-builder-linux32-1.0.3.tar.bz2.sha b/build/arduino-builder-linux32-1.0.3.tar.bz2.sha
deleted file mode 100644
index 65fda889c..000000000
--- a/build/arduino-builder-linux32-1.0.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-94a63d87486cdd088dbc7877b985a80cc3953f05
diff --git a/build/arduino-builder-linux32-1.0.4.tar.bz2.sha b/build/arduino-builder-linux32-1.0.4.tar.bz2.sha
new file mode 100644
index 000000000..2fa134280
--- /dev/null
+++ b/build/arduino-builder-linux32-1.0.4.tar.bz2.sha
@@ -0,0 +1 @@
+01bb84dd90e71a7e48f90baa31ad79ab028c2149
diff --git a/build/arduino-builder-linux64-1.0.3.tar.bz2.sha b/build/arduino-builder-linux64-1.0.3.tar.bz2.sha
deleted file mode 100644
index 730178062..000000000
--- a/build/arduino-builder-linux64-1.0.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-f136773ad39a7acde33f8521b33257bb5a40f8c2
diff --git a/build/arduino-builder-linux64-1.0.4.tar.bz2.sha b/build/arduino-builder-linux64-1.0.4.tar.bz2.sha
new file mode 100644
index 000000000..bf66c41ba
--- /dev/null
+++ b/build/arduino-builder-linux64-1.0.4.tar.bz2.sha
@@ -0,0 +1 @@
+0eeadbf11315021bcad86d0a34676b3506795631
diff --git a/build/arduino-builder-macosx-1.0.3.tar.bz2.sha b/build/arduino-builder-macosx-1.0.3.tar.bz2.sha
deleted file mode 100644
index 4c2701906..000000000
--- a/build/arduino-builder-macosx-1.0.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-3b67bc1c2fe74dd1fcc959e3651948fc016dc523
diff --git a/build/arduino-builder-macosx-1.0.4.tar.bz2.sha b/build/arduino-builder-macosx-1.0.4.tar.bz2.sha
new file mode 100644
index 000000000..a7ca5ac11
--- /dev/null
+++ b/build/arduino-builder-macosx-1.0.4.tar.bz2.sha
@@ -0,0 +1 @@
+e4f2bf06da6b4a28fc5dac7f5a9d760b9fd195a9
diff --git a/build/arduino-builder-windows-1.0.3.zip.sha b/build/arduino-builder-windows-1.0.3.zip.sha
deleted file mode 100644
index aa5d9bbed..000000000
--- a/build/arduino-builder-windows-1.0.3.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-45537d4d311143659c7644593d5d279572fab53b
diff --git a/build/arduino-builder-windows-1.0.4.zip.sha b/build/arduino-builder-windows-1.0.4.zip.sha
new file mode 100644
index 000000000..a90da3b51
--- /dev/null
+++ b/build/arduino-builder-windows-1.0.4.zip.sha
@@ -0,0 +1 @@
+9e249503e8a2971aec70099aedc83289f77b1848
diff --git a/build/build.xml b/build/build.xml
index 265ff8435..39176fb70 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -71,7 +71,7 @@
     </or>
   </condition>
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.0.3" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.0.4" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">