diff --git a/build/arduino-builder-linux32-1.3.25.tar.bz2.sha b/build/arduino-builder-linux32-1.3.25.tar.bz2.sha
deleted file mode 100644
index 1c6399638..000000000
--- a/build/arduino-builder-linux32-1.3.25.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-ff4f33d34f56ad59c5f2b086c490c0fe761337ed
diff --git a/build/arduino-builder-linux32-1.4.0.tar.bz2.sha b/build/arduino-builder-linux32-1.4.0.tar.bz2.sha
new file mode 100644
index 000000000..292611bee
--- /dev/null
+++ b/build/arduino-builder-linux32-1.4.0.tar.bz2.sha
@@ -0,0 +1 @@
+7a970567d0a922d4511d5a8e4a6dd1578e5fc2c9
diff --git a/build/arduino-builder-linux64-1.3.25.tar.bz2.sha b/build/arduino-builder-linux64-1.3.25.tar.bz2.sha
deleted file mode 100644
index 4a7190b66..000000000
--- a/build/arduino-builder-linux64-1.3.25.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-b2e38e1d963deb45e57b580aeb7a7bf4e4ac84ab
diff --git a/build/arduino-builder-linux64-1.4.0.tar.bz2.sha b/build/arduino-builder-linux64-1.4.0.tar.bz2.sha
new file mode 100644
index 000000000..f826c7b38
--- /dev/null
+++ b/build/arduino-builder-linux64-1.4.0.tar.bz2.sha
@@ -0,0 +1 @@
+eab841d283da9f390c467c0e2843e61b4a7b58fb
diff --git a/build/arduino-builder-linuxaarch64-1.4.0.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.0.tar.bz2.sha
new file mode 100644
index 000000000..1ade861cc
--- /dev/null
+++ b/build/arduino-builder-linuxaarch64-1.4.0.tar.bz2.sha
@@ -0,0 +1 @@
+c362a5877c9eacade91a184e1c4ea7aa61e8d6fc
diff --git a/build/arduino-builder-linuxarm-1.3.25.tar.bz2.sha b/build/arduino-builder-linuxarm-1.3.25.tar.bz2.sha
deleted file mode 100644
index d2b90d45a..000000000
--- a/build/arduino-builder-linuxarm-1.3.25.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-1ec377ec0a8b7fd267e355d21b8d275b1494e250
diff --git a/build/arduino-builder-linuxarm-1.4.0.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.0.tar.bz2.sha
new file mode 100644
index 000000000..9a7e5d8cd
--- /dev/null
+++ b/build/arduino-builder-linuxarm-1.4.0.tar.bz2.sha
@@ -0,0 +1 @@
+93b483fa08c1d1f10f4ed146a3312e51383c6e37
diff --git a/build/arduino-builder-macosx-1.3.25.tar.bz2.sha b/build/arduino-builder-macosx-1.3.25.tar.bz2.sha
deleted file mode 100644
index 0ab87f7ac..000000000
--- a/build/arduino-builder-macosx-1.3.25.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-335efeb59b61110b7ee5faad8401e87e2eaca6d7
diff --git a/build/arduino-builder-macosx-1.4.0.tar.bz2.sha b/build/arduino-builder-macosx-1.4.0.tar.bz2.sha
new file mode 100644
index 000000000..fada0bfc4
--- /dev/null
+++ b/build/arduino-builder-macosx-1.4.0.tar.bz2.sha
@@ -0,0 +1 @@
+bb95d311b6ca79b2064991211420ca00c7775390
diff --git a/build/arduino-builder-windows-1.3.25.zip.sha b/build/arduino-builder-windows-1.3.25.zip.sha
deleted file mode 100644
index 8cf3a57a8..000000000
--- a/build/arduino-builder-windows-1.3.25.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-a58b1b5acc67c965e0a69b503a6166847990a63a
diff --git a/build/arduino-builder-windows-1.4.0.zip.sha b/build/arduino-builder-windows-1.4.0.zip.sha
new file mode 100644
index 000000000..b1f6a6a73
--- /dev/null
+++ b/build/arduino-builder-windows-1.4.0.zip.sha
@@ -0,0 +1 @@
+1f03da34a8378244ca2d94fa70f26a0ef1eeee3e
diff --git a/build/build.xml b/build/build.xml
index ab788bb42..ae29adc6b 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -87,7 +87,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.3.25" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.4.0" />
   <property name="LIBLISTSERIAL-VERSION" value="1.4.0" />
   <property name="AVRGCC-VERSION" value="5.4.0-atmel3.6.1-arduino2" />
   <property name="AVRDUDE-VERSION" value="6.3.0-arduino14" />