diff --git a/build/arduino-builder-arm-1.3.21_r1.tar.bz2.sha b/build/arduino-builder-arm-1.3.21_r1.tar.bz2.sha
deleted file mode 100644
index f564a28b3..000000000
--- a/build/arduino-builder-arm-1.3.21_r1.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-dd0cf9da8d1f040c4279ae05d82aac58471a4e38
diff --git a/build/arduino-builder-arm-1.3.22.tar.bz2.sha b/build/arduino-builder-arm-1.3.22.tar.bz2.sha
new file mode 100644
index 000000000..14ecfec26
--- /dev/null
+++ b/build/arduino-builder-arm-1.3.22.tar.bz2.sha
@@ -0,0 +1 @@
+17e39132e5b085a441b02a26d3f07d46a948688e
diff --git a/build/arduino-builder-linux32-1.3.21_r1.tar.bz2.sha b/build/arduino-builder-linux32-1.3.21_r1.tar.bz2.sha
deleted file mode 100644
index 603d14d33..000000000
--- a/build/arduino-builder-linux32-1.3.21_r1.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-1f6dd5f3e043fdf9efba7020a99528b33e399789
diff --git a/build/arduino-builder-linux32-1.3.22.tar.bz2.sha b/build/arduino-builder-linux32-1.3.22.tar.bz2.sha
new file mode 100644
index 000000000..372469f77
--- /dev/null
+++ b/build/arduino-builder-linux32-1.3.22.tar.bz2.sha
@@ -0,0 +1 @@
+83d5fb82404d9519b934ba440e708796ba0dada5
diff --git a/build/arduino-builder-linux64-1.3.21_r1.tar.bz2.sha b/build/arduino-builder-linux64-1.3.21_r1.tar.bz2.sha
deleted file mode 100644
index d67a093bc..000000000
--- a/build/arduino-builder-linux64-1.3.21_r1.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-fe04dd99cedb2ec4dcde7fc973a1586e1ec1a8e7
diff --git a/build/arduino-builder-linux64-1.3.22.tar.bz2.sha b/build/arduino-builder-linux64-1.3.22.tar.bz2.sha
new file mode 100644
index 000000000..f1bda595f
--- /dev/null
+++ b/build/arduino-builder-linux64-1.3.22.tar.bz2.sha
@@ -0,0 +1 @@
+ca7bb082d9b2a502adc54636b9ad5b2d7c961dc7
diff --git a/build/arduino-builder-macosx-1.3.21_r1.tar.bz2.sha b/build/arduino-builder-macosx-1.3.21_r1.tar.bz2.sha
deleted file mode 100644
index f48daeed4..000000000
--- a/build/arduino-builder-macosx-1.3.21_r1.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-c5ccdd0ffba382f8252d70a049fc9377592fee84
diff --git a/build/arduino-builder-macosx-1.3.22.tar.bz2.sha b/build/arduino-builder-macosx-1.3.22.tar.bz2.sha
new file mode 100644
index 000000000..7c53527a2
--- /dev/null
+++ b/build/arduino-builder-macosx-1.3.22.tar.bz2.sha
@@ -0,0 +1 @@
+2bf504f704b2ec6b4fc4c2f60d87be41540b0f7d
diff --git a/build/arduino-builder-windows-1.3.21_r1.zip.sha b/build/arduino-builder-windows-1.3.21_r1.zip.sha
deleted file mode 100644
index 45018e41d..000000000
--- a/build/arduino-builder-windows-1.3.21_r1.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-99b04ef1f8235ee31a843d4f2984a40360b6c0be
diff --git a/build/arduino-builder-windows-1.3.22.zip.sha b/build/arduino-builder-windows-1.3.22.zip.sha
new file mode 100644
index 000000000..572669a87
--- /dev/null
+++ b/build/arduino-builder-windows-1.3.22.zip.sha
@@ -0,0 +1 @@
+5b04fd526defb253fb0437cda294a32eb7efd2df
diff --git a/build/build.xml b/build/build.xml
index 375078803..c31feea50 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -85,7 +85,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.3.21_r1" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.3.22" />
   <property name="LIBLISTSERIAL-VERSION" value="1.2.0" />
   <property name="AVRGCC-VERSION" value="4.9.2-atmel3.5.3-arduino2" />
   <property name="AVRDUDE-VERSION" value="6.3.0-arduino6" />