diff --git a/build/arduino-builder-linux32-1.3.14.tar.bz2.sha b/build/arduino-builder-linux32-1.3.14.tar.bz2.sha
deleted file mode 100644
index fa8a4d1ec..000000000
--- a/build/arduino-builder-linux32-1.3.14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-8cff35ac5691c15fe1825e8d166c6c0ccc001b44
diff --git a/build/arduino-builder-linux32-1.3.15.tar.bz2.sha b/build/arduino-builder-linux32-1.3.15.tar.bz2.sha
new file mode 100644
index 000000000..bedb2416f
--- /dev/null
+++ b/build/arduino-builder-linux32-1.3.15.tar.bz2.sha
@@ -0,0 +1 @@
+d192fdadce5298f02b8fd5d310f0d8c3c359e41f
diff --git a/build/arduino-builder-linux64-1.3.14.tar.bz2.sha b/build/arduino-builder-linux64-1.3.14.tar.bz2.sha
deleted file mode 100644
index c9556aec5..000000000
--- a/build/arduino-builder-linux64-1.3.14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-d6b64b953292a503385976b6f9893eb55ac13828
diff --git a/build/arduino-builder-linux64-1.3.15.tar.bz2.sha b/build/arduino-builder-linux64-1.3.15.tar.bz2.sha
new file mode 100644
index 000000000..35bf012fa
--- /dev/null
+++ b/build/arduino-builder-linux64-1.3.15.tar.bz2.sha
@@ -0,0 +1 @@
+5c78ef903c9d45e89f84a77673bb6582712e982b
diff --git a/build/arduino-builder-macosx-1.3.14.tar.bz2.sha b/build/arduino-builder-macosx-1.3.14.tar.bz2.sha
deleted file mode 100644
index 970a023c5..000000000
--- a/build/arduino-builder-macosx-1.3.14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-df319e9b7c8fae287890539d03d156870b4eb89e
diff --git a/build/arduino-builder-macosx-1.3.15.tar.bz2.sha b/build/arduino-builder-macosx-1.3.15.tar.bz2.sha
new file mode 100644
index 000000000..0b0b9491d
--- /dev/null
+++ b/build/arduino-builder-macosx-1.3.15.tar.bz2.sha
@@ -0,0 +1 @@
+708692dfc3af793170cdc964367abc628fcf0811
diff --git a/build/arduino-builder-windows-1.3.14.zip.sha b/build/arduino-builder-windows-1.3.14.zip.sha
deleted file mode 100644
index d6b063a61..000000000
--- a/build/arduino-builder-windows-1.3.14.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-efcf35dd0e503183451be9b0b3ce5ca1eb2419b9
diff --git a/build/arduino-builder-windows-1.3.15.zip.sha b/build/arduino-builder-windows-1.3.15.zip.sha
new file mode 100644
index 000000000..fbdcdaac9
--- /dev/null
+++ b/build/arduino-builder-windows-1.3.15.zip.sha
@@ -0,0 +1 @@
+c504cf4bd956325e7c86982ff06990a976ae5867
diff --git a/build/build.xml b/build/build.xml
index bedebdc23..43464da19 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -77,7 +77,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.3.14" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.3.15" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">