diff --git a/build/arduino-builder-linux32-1.4.6.tar.bz2.sha b/build/arduino-builder-linux32-1.4.6.tar.bz2.sha
deleted file mode 100644
index fae0290634b..00000000000
--- a/build/arduino-builder-linux32-1.4.6.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-9a1902c56d4e354b1c7bf1124f32ba7c2243b0ad
diff --git a/build/arduino-builder-linux32-1.4.7.tar.bz2.sha b/build/arduino-builder-linux32-1.4.7.tar.bz2.sha
new file mode 100644
index 00000000000..33fe0903cbc
--- /dev/null
+++ b/build/arduino-builder-linux32-1.4.7.tar.bz2.sha
@@ -0,0 +1 @@
+c93e80b103578c68c2fda9573b29a2998baff55c
diff --git a/build/arduino-builder-linux64-1.4.6.tar.bz2.sha b/build/arduino-builder-linux64-1.4.6.tar.bz2.sha
deleted file mode 100644
index 3ada2db124d..00000000000
--- a/build/arduino-builder-linux64-1.4.6.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-f94c0acc250aff21cdf5d7e6eb676f79f62b18e7
diff --git a/build/arduino-builder-linux64-1.4.7.tar.bz2.sha b/build/arduino-builder-linux64-1.4.7.tar.bz2.sha
new file mode 100644
index 00000000000..9c3decad113
--- /dev/null
+++ b/build/arduino-builder-linux64-1.4.7.tar.bz2.sha
@@ -0,0 +1 @@
+ec608d2c3557a77b43a45376183cf52b772ec761
diff --git a/build/arduino-builder-linuxaarch64-1.4.6.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.6.tar.bz2.sha
deleted file mode 100644
index 62d82aad44e..00000000000
--- a/build/arduino-builder-linuxaarch64-1.4.6.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-71f295a3a6ba79b01f0f77c3303111b9a271e32c
diff --git a/build/arduino-builder-linuxaarch64-1.4.7.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.7.tar.bz2.sha
new file mode 100644
index 00000000000..ea5fbea7d97
--- /dev/null
+++ b/build/arduino-builder-linuxaarch64-1.4.7.tar.bz2.sha
@@ -0,0 +1 @@
+5341ccc69285d30bd100b1905331732c58e22b95
diff --git a/build/arduino-builder-linuxarm-1.4.6.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.6.tar.bz2.sha
deleted file mode 100644
index 52d2d323f3a..00000000000
--- a/build/arduino-builder-linuxarm-1.4.6.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-8c609ab8a8574a91dbabaf40d02b74b293150a86
diff --git a/build/arduino-builder-linuxarm-1.4.7.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.7.tar.bz2.sha
new file mode 100644
index 00000000000..bd6e36aab74
--- /dev/null
+++ b/build/arduino-builder-linuxarm-1.4.7.tar.bz2.sha
@@ -0,0 +1 @@
+8fa7e5b070b50244146f15df07883a69a9d4ab83
diff --git a/build/arduino-builder-macosx-1.4.6.tar.bz2.sha b/build/arduino-builder-macosx-1.4.6.tar.bz2.sha
deleted file mode 100644
index 9bfeac6acde..00000000000
--- a/build/arduino-builder-macosx-1.4.6.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-d59a62bb31c32ef336eaf7840afa7b61c4e991f6
diff --git a/build/arduino-builder-macosx-1.4.7.tar.bz2.sha b/build/arduino-builder-macosx-1.4.7.tar.bz2.sha
new file mode 100644
index 00000000000..48082353553
--- /dev/null
+++ b/build/arduino-builder-macosx-1.4.7.tar.bz2.sha
@@ -0,0 +1 @@
+444ce154ba5f889a19afa93c7895b1c8d7443402
diff --git a/build/arduino-builder-windows-1.4.6.zip.sha b/build/arduino-builder-windows-1.4.6.zip.sha
deleted file mode 100644
index b0b52647c3c..00000000000
--- a/build/arduino-builder-windows-1.4.6.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-d028fc31fdc6a24f8d4b2528483734946f79b82f
diff --git a/build/arduino-builder-windows-1.4.7.zip.sha b/build/arduino-builder-windows-1.4.7.zip.sha
new file mode 100644
index 00000000000..3e42f50e2fa
--- /dev/null
+++ b/build/arduino-builder-windows-1.4.7.zip.sha
@@ -0,0 +1 @@
+8845a16cd643c3c955674a341d6b5fe58c9efd99
diff --git a/build/arduino-builder.exe.sha b/build/arduino-builder.exe.sha
deleted file mode 100644
index 6f523b8b9da..00000000000
--- a/build/arduino-builder.exe.sha
+++ /dev/null
@@ -1 +0,0 @@
-4e2a1509e337b94e6ed45e200a20a623836edc80
diff --git a/build/arduino-builder.sha b/build/arduino-builder.sha
deleted file mode 100644
index cc5fe5caa7e..00000000000
--- a/build/arduino-builder.sha
+++ /dev/null
@@ -1 +0,0 @@
-4bb78f1449f0c99171144a8607bee5fa35f096e9
diff --git a/build/build.xml b/build/build.xml
index 56fb9ca3b96..c7df50308b4 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -99,7 +99,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.4.6" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.4.7" />
   <property name="LIBLISTSERIAL-VERSION" value="1.4.2" />
   <property name="AVRGCC-VERSION" value="7.3.0-atmel3.6.1-arduino5" />
   <property name="AVRDUDE-VERSION" value="6.3.0-arduino17" />