diff --git a/build/arduino-builder-linux32-1.4.3.tar.bz2.sha b/build/arduino-builder-linux32-1.4.3.tar.bz2.sha
deleted file mode 100644
index b334fdcc0..000000000
--- a/build/arduino-builder-linux32-1.4.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-d4b621712d9fdc5e487195e9b1ff53d25a4b8808
diff --git a/build/arduino-builder-linux32-1.4.4.tar.bz2.sha b/build/arduino-builder-linux32-1.4.4.tar.bz2.sha
new file mode 100644
index 000000000..c95c54697
--- /dev/null
+++ b/build/arduino-builder-linux32-1.4.4.tar.bz2.sha
@@ -0,0 +1 @@
+b921835888c5bf4ad07c10b5e2e19a975528e380
diff --git a/build/arduino-builder-linux64-1.4.3.tar.bz2.sha b/build/arduino-builder-linux64-1.4.3.tar.bz2.sha
deleted file mode 100644
index 5157eb034..000000000
--- a/build/arduino-builder-linux64-1.4.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-f3eb86770afb69052a644ea9996c39c2b5c2c7ec
diff --git a/build/arduino-builder-linux64-1.4.4.tar.bz2.sha b/build/arduino-builder-linux64-1.4.4.tar.bz2.sha
new file mode 100644
index 000000000..a8110a412
--- /dev/null
+++ b/build/arduino-builder-linux64-1.4.4.tar.bz2.sha
@@ -0,0 +1 @@
+d9e5fdd0f73d8f62504abddc071dcb6f660c8b6e
diff --git a/build/arduino-builder-linuxaarch64-1.4.3.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.3.tar.bz2.sha
deleted file mode 100644
index faa9ca095..000000000
--- a/build/arduino-builder-linuxaarch64-1.4.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-45f1234ded19c56ef1e3fdea781c3dd19b766eb6
diff --git a/build/arduino-builder-linuxaarch64-1.4.4.tar.bz2.sha b/build/arduino-builder-linuxaarch64-1.4.4.tar.bz2.sha
new file mode 100644
index 000000000..6ce781c87
--- /dev/null
+++ b/build/arduino-builder-linuxaarch64-1.4.4.tar.bz2.sha
@@ -0,0 +1 @@
+9ff8b48d3f61e40ecff4bf2e7c14e312302290d7
diff --git a/build/arduino-builder-linuxarm-1.4.3.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.3.tar.bz2.sha
deleted file mode 100644
index 73297320d..000000000
--- a/build/arduino-builder-linuxarm-1.4.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-d3522d8f2025fbf376ce3a7a47304063ecc2fef2
diff --git a/build/arduino-builder-linuxarm-1.4.4.tar.bz2.sha b/build/arduino-builder-linuxarm-1.4.4.tar.bz2.sha
new file mode 100644
index 000000000..9ce328cfa
--- /dev/null
+++ b/build/arduino-builder-linuxarm-1.4.4.tar.bz2.sha
@@ -0,0 +1 @@
+19beb0ed3f1dea919b33d7defbe1b05414b69f2b
diff --git a/build/arduino-builder-macosx-1.4.3.tar.bz2.sha b/build/arduino-builder-macosx-1.4.3.tar.bz2.sha
deleted file mode 100644
index 0863c1183..000000000
--- a/build/arduino-builder-macosx-1.4.3.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-289eaa1a777b71af260c528f157ad81c92d26a1e
diff --git a/build/arduino-builder-macosx-1.4.4.tar.bz2.sha b/build/arduino-builder-macosx-1.4.4.tar.bz2.sha
new file mode 100644
index 000000000..50049c75a
--- /dev/null
+++ b/build/arduino-builder-macosx-1.4.4.tar.bz2.sha
@@ -0,0 +1 @@
+d7006495131ec609d797c0f049a10fe6156751a3
diff --git a/build/arduino-builder-windows-1.4.3.zip.sha b/build/arduino-builder-windows-1.4.3.zip.sha
deleted file mode 100644
index d72585cd2..000000000
--- a/build/arduino-builder-windows-1.4.3.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-db213710291fd6cfacb62d015db1b89b2e0d44d2
diff --git a/build/arduino-builder-windows-1.4.4.zip.sha b/build/arduino-builder-windows-1.4.4.zip.sha
new file mode 100644
index 000000000..532e9b55e
--- /dev/null
+++ b/build/arduino-builder-windows-1.4.4.zip.sha
@@ -0,0 +1 @@
+7cc958e5e96c26408b7396ecf63688eb25894c2c
diff --git a/build/build.xml b/build/build.xml
index 584bad004..815c67e2c 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -99,7 +99,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.4.3" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.4.4" />
   <property name="LIBLISTSERIAL-VERSION" value="1.4.2" />
   <property name="AVRGCC-VERSION" value="5.4.0-atmel3.6.1-arduino2" />
   <property name="AVRDUDE-VERSION" value="6.3.0-arduino14" />