diff --git a/build/arduino-builder-linux32-1.3.9.tar.bz2.sha b/build/arduino-builder-linux32-1.3.9.tar.bz2.sha
new file mode 100644
index 000000000..7ded8f88f
--- /dev/null
+++ b/build/arduino-builder-linux32-1.3.9.tar.bz2.sha
@@ -0,0 +1 @@
+ae057f58c80ed832466fa14e5cfc8b0a5d4d7265
diff --git a/build/arduino-builder-linux64-1.3.9.tar.bz2.sha b/build/arduino-builder-linux64-1.3.9.tar.bz2.sha
new file mode 100644
index 000000000..410e0aefd
--- /dev/null
+++ b/build/arduino-builder-linux64-1.3.9.tar.bz2.sha
@@ -0,0 +1 @@
+f9ef348ebf308df84c68be7217531549f9b595df
diff --git a/build/arduino-builder-macosx-1.3.9.tar.bz2.sha b/build/arduino-builder-macosx-1.3.9.tar.bz2.sha
new file mode 100644
index 000000000..bc39361aa
--- /dev/null
+++ b/build/arduino-builder-macosx-1.3.9.tar.bz2.sha
@@ -0,0 +1 @@
+5af478e2f4092bd432156221a94efb66813c9567
diff --git a/build/arduino-builder-windows-1.3.9.zip.sha b/build/arduino-builder-windows-1.3.9.zip.sha
new file mode 100644
index 000000000..5af93c43d
--- /dev/null
+++ b/build/arduino-builder-windows-1.3.9.zip.sha
@@ -0,0 +1 @@
+80cbc7ceed7e60d63929a323b9482b083b015728
diff --git a/build/build.xml b/build/build.xml
index c73a535e1..53bf43897 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -73,7 +73,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.3.8" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.3.9" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">