diff --git a/build/arduino-builder-linux32-1.4.7.tar.bz2.sha b/build/arduino-builder-linux32-1.4.7.tar.bz2.sha
deleted file mode 100644
index 33fe0903cbc..00000000000
--- a/build/arduino-builder-linux32-1.4.7.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-c93e80b103578c68c2fda9573b29a2998baff55c
diff --git a/build/arduino-builder-linux32-1.4.8.tar.bz2.sha b/build/arduino-builder-linux32-1.4.8.tar.bz2.sha
new file mode 100644
index 00000000000..5077c2bbd66
--- /dev/null
+++ b/build/arduino-builder-linux32-1.4.8.tar.bz2.sha
@@ -0,0 +1 @@
+c8dc06b5ac547910267b8c035308de3bfffc1650
diff --git a/build/arduino-builder-linux64-1.4.7.tar.bz2.sha b/build/arduino-builder-linux64-1.4.7.tar.bz2.sha
deleted file mode 100644
index 9c3decad113..00000000000
--- a/build/arduino-builder-linux64-1.4.7.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-ec608d2c3557a77b43a45376183cf52b772ec761
diff --git a/build/arduino-builder-linux64-1.4.8.tar.bz2.sha b/build/arduino-builder-linux64-1.4.8.tar.bz2.sha
new file mode 100644
index 00000000000..c11fa29f80a
--- /dev/null
+++ b/build/arduino-builder-linux64-1.4.8.tar.bz2.sha
@@ -0,0 +1 @@
+650dac92d827c3796ce555c9637243bbc750bec0
diff --git a/build/arduino-builder-linuxaarch64-1.4.7.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.7.tar.bz2.sha
deleted file mode 100644
index ea5fbea7d97..00000000000
--- a/build/arduino-builder-linuxaarch64-1.4.7.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-5341ccc69285d30bd100b1905331732c58e22b95
diff --git a/build/arduino-builder-linuxaarch64-1.4.8.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.8.tar.bz2.sha
new file mode 100644
index 00000000000..ccb444092f8
--- /dev/null
+++ b/build/arduino-builder-linuxaarch64-1.4.8.tar.bz2.sha
@@ -0,0 +1 @@
+74aa70647e9bba342ea9f6f24436febc69b520f9
diff --git a/build/arduino-builder-linuxarm-1.4.7.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.7.tar.bz2.sha
deleted file mode 100644
index bd6e36aab74..00000000000
--- a/build/arduino-builder-linuxarm-1.4.7.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-8fa7e5b070b50244146f15df07883a69a9d4ab83
diff --git a/build/arduino-builder-linuxarm-1.4.8.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.8.tar.bz2.sha
new file mode 100644
index 00000000000..2ccdcdeb761
--- /dev/null
+++ b/build/arduino-builder-linuxarm-1.4.8.tar.bz2.sha
@@ -0,0 +1 @@
+0e376127a01848cc50c04c8b33a5c4c3bbf6f3ab
diff --git a/build/arduino-builder-macosx-1.4.7.tar.bz2.sha b/build/arduino-builder-macosx-1.4.7.tar.bz2.sha
deleted file mode 100644
index 48082353553..00000000000
--- a/build/arduino-builder-macosx-1.4.7.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-444ce154ba5f889a19afa93c7895b1c8d7443402
diff --git a/build/arduino-builder-macosx-1.4.8.tar.bz2.sha b/build/arduino-builder-macosx-1.4.8.tar.bz2.sha
new file mode 100644
index 00000000000..f90caef53fe
--- /dev/null
+++ b/build/arduino-builder-macosx-1.4.8.tar.bz2.sha
@@ -0,0 +1 @@
+8a21f2f5bde1c902dfb4f699224fe800a9b403b4
diff --git a/build/arduino-builder-windows-1.4.7.zip.sha b/build/arduino-builder-windows-1.4.7.zip.sha
deleted file mode 100644
index 3e42f50e2fa..00000000000
--- a/build/arduino-builder-windows-1.4.7.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-8845a16cd643c3c955674a341d6b5fe58c9efd99
diff --git a/build/arduino-builder-windows-1.4.8.zip.sha b/build/arduino-builder-windows-1.4.8.zip.sha
new file mode 100644
index 00000000000..498055912ba
--- /dev/null
+++ b/build/arduino-builder-windows-1.4.8.zip.sha
@@ -0,0 +1 @@
+38ef778276f9660b007977121dce06bbd6cef32b
diff --git a/build/build.xml b/build/build.xml
index 47f70332bb4..6081d161297 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -99,7 +99,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.4.7" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.4.8" />
   <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" />