diff --git a/build/build.xml b/build/build.xml
index ba4b4db50e1..be3172fdfeb 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -87,9 +87,9 @@
 
   <property name="ARDUINO-BUILDER-VERSION" value="1.3.24" />
   <property name="LIBLISTSERIAL-VERSION" value="1.4.0" />
-  <property name="AVRGCC-VERSION" value="4.9.2-atmel3.5.3-arduino2" />
-  <property name="AVRDUDE-VERSION" value="6.3.0-arduino8" />
-  <property name="arduinoOTA-VERSION" value="1.0.0" />
+  <property name="AVRGCC-VERSION" value="4.9.2-atmel3.5.4-arduino2" />
+  <property name="AVRDUDE-VERSION" value="6.3.0-arduino9" />
+  <property name="arduinoOTA-VERSION" value="1.1.1" />
 
   <!-- Libraries required for running arduino -->
   <fileset dir=".." id="runtime.jars">
@@ -487,7 +487,7 @@
       <param name="gcc_version" value="${AVRGCC-VERSION}"/>
       <param name="avrdude_archive_file" value="avrdude-${AVRDUDE-VERSION}-i386-apple-darwin11.tar.bz2"/>
       <param name="avrdude_version" value="${AVRDUDE-VERSION}"/>
-      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-osx.tar.bz2"/>
+      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-darwin_amd64.tar.bz2"/>
       <param name="arduinoOTA_version" value="${arduinoOTA-VERSION}"/>
     </antcall>
 
@@ -700,7 +700,7 @@
       <param name="gcc_version" value="${AVRGCC-VERSION}"/>
       <param name="avrdude_archive_file" value="avrdude-${AVRDUDE-VERSION}-armhf-pc-linux-gnu.tar.bz2"/>
       <param name="avrdude_version" value="${AVRDUDE-VERSION}"/>
-      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-linuxarm.tar.bz2"/>
+      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-linux_arm.tar.bz2"/>
       <param name="arduinoOTA_version" value="${arduinoOTA-VERSION}"/>
     </antcall>
   </target>
@@ -718,7 +718,7 @@
       <param name="gcc_version" value="${AVRGCC-VERSION}"/>
       <param name="avrdude_archive_file" value="avrdude-${AVRDUDE-VERSION}-i686-pc-linux-gnu.tar.bz2"/>
       <param name="avrdude_version" value="${AVRDUDE-VERSION}"/>
-      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-linux32.tar.bz2"/>
+      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-linux_386.tar.bz2"/>
       <param name="arduinoOTA_version" value="${arduinoOTA-VERSION}"/>
     </antcall>
   </target>
@@ -736,7 +736,7 @@
       <param name="gcc_version" value="${AVRGCC-VERSION}"/>
       <param name="avrdude_archive_file" value="avrdude-${AVRDUDE-VERSION}-x86_64-pc-linux-gnu.tar.bz2"/>
       <param name="avrdude_version" value="${AVRDUDE-VERSION}"/>
-      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-linux64.tar.bz2"/>
+      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-linux_amd64.tar.bz2"/>
       <param name="arduinoOTA_version" value="${arduinoOTA-VERSION}"/>
     </antcall>
   </target>
@@ -1055,7 +1055,7 @@
       <param name="gcc_version" value="${AVRGCC-VERSION}"/>
       <param name="avrdude_archive_file" value="avrdude-${AVRDUDE-VERSION}-i686-w64-mingw32.zip"/>
       <param name="avrdude_version" value="${AVRDUDE-VERSION}"/>
-      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-windows.zip"/>
+      <param name="arduinoOTA_archive_file" value="arduinoOTA-${arduinoOTA-VERSION}-windows_386.zip"/>
       <param name="arduinoOTA_version" value="${arduinoOTA-VERSION}"/>
     </antcall>
   </target>
@@ -1153,7 +1153,7 @@
 
     <move file="${staging_folder}/work/${staging_hardware_folder}/tmp/gcc/avr" tofile="${staging_folder}/work/${staging_hardware_folder}/tools/avr"/>
     <move file="${staging_folder}/work/${staging_hardware_folder}/tmp/avrdude/avrdude" tofile="${staging_folder}/work/${staging_hardware_folder}/tools/avr"/>
-    <move file="${staging_folder}/work/${staging_hardware_folder}/tmp/arduinoOTA/" tofile="${staging_folder}/work/${staging_hardware_folder}/tools/avr"/>
+    <move file="${staging_folder}/work/${staging_hardware_folder}/tmp/arduinoOTA/arduinoOTA/" tofile="${staging_folder}/work/${staging_hardware_folder}/tools/avr"/>
 
     <echo append="true" file="${staging_folder}/work/${staging_hardware_folder}/tools/avr/builtin_tools_versions.txt" message="arduino.avrdude=${avrdude_version}${line.separator}"/>
     <echo append="true" file="${staging_folder}/work/${staging_hardware_folder}/tools/avr/builtin_tools_versions.txt" message="arduino.arduinoOTA=${arduinoOTA_version}${line.separator}"/>
diff --git a/build/linux/arduinoOTA-1.0.0-linux32.tar.bz2.sha b/build/linux/arduinoOTA-1.0.0-linux32.tar.bz2.sha
deleted file mode 100644
index 51e6c12e886..00000000000
--- a/build/linux/arduinoOTA-1.0.0-linux32.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-ea57315a2dc1ebadd219684ad720acc29914e5ea
diff --git a/build/linux/arduinoOTA-1.0.0-linux64.tar.bz2.sha b/build/linux/arduinoOTA-1.0.0-linux64.tar.bz2.sha
deleted file mode 100644
index a2a96b0feaf..00000000000
--- a/build/linux/arduinoOTA-1.0.0-linux64.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-597dabb3a04c8036c38985c424e11be245a2a88c
diff --git a/build/linux/arduinoOTA-1.0.0-linuxarm.tar.bz2.sha b/build/linux/arduinoOTA-1.0.0-linuxarm.tar.bz2.sha
deleted file mode 100644
index 26e04174b14..00000000000
--- a/build/linux/arduinoOTA-1.0.0-linuxarm.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-9f0b23cc318f4cf88561884b4857a292438685e8
diff --git a/build/linux/arduinoOTA-1.1.1-linux_386.tar.bz2.sha b/build/linux/arduinoOTA-1.1.1-linux_386.tar.bz2.sha
new file mode 100644
index 00000000000..fcb87f259a3
--- /dev/null
+++ b/build/linux/arduinoOTA-1.1.1-linux_386.tar.bz2.sha
@@ -0,0 +1 @@
+0706774128b910342c8d95dcd598a424a998a923
diff --git a/build/linux/arduinoOTA-1.1.1-linux_amd64.tar.bz2.sha b/build/linux/arduinoOTA-1.1.1-linux_amd64.tar.bz2.sha
new file mode 100644
index 00000000000..b090447ae70
--- /dev/null
+++ b/build/linux/arduinoOTA-1.1.1-linux_amd64.tar.bz2.sha
@@ -0,0 +1 @@
+69a301f10e0aa0895545851037dac354d058864b
diff --git a/build/linux/arduinoOTA-1.1.1-linux_arm.tar.bz2.sha b/build/linux/arduinoOTA-1.1.1-linux_arm.tar.bz2.sha
new file mode 100644
index 00000000000..4bb17549777
--- /dev/null
+++ b/build/linux/arduinoOTA-1.1.1-linux_arm.tar.bz2.sha
@@ -0,0 +1 @@
+4a4df0746debf7768a5ffae7201d533d0ca79685
diff --git a/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-armhf-pc-linux-gnu.tar.bz2.sha b/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-armhf-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index b12002e8be3..00000000000
--- a/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-armhf-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-e2377fc99bf9e93daf4957e5fde65d244a3ccbff
diff --git a/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-i686-pc-linux-gnu.tar.bz2.sha b/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-i686-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index c5308463728..00000000000
--- a/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-i686-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-4c1ca6daf11c210f99927a60261c4a17024eb9ed
diff --git a/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha b/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index 96b49e1b397..00000000000
--- a/build/linux/avr-gcc-4.9.2-atmel3.5.3-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-7eff6a3bb6b73f933a941a8962f820e63a79ed7e
diff --git a/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-armhf-pc-linux-gnu.tar.bz2.sha b/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-armhf-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 00000000000..ebfe8ab49ce
--- /dev/null
+++ b/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-armhf-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+ba879ff3e212c1d13cf18bd74c72032a07564826
diff --git a/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-i686-pc-linux-gnu.tar.bz2.sha b/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-i686-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 00000000000..457e8e3dfdd
--- /dev/null
+++ b/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-i686-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+fd449aa8a7f6f56c6e94226f9b0b80ce99dddb24
diff --git a/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha b/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 00000000000..0f646213739
--- /dev/null
+++ b/build/linux/avr-gcc-4.9.2-atmel3.5.4-arduino2-x86_64-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+7db39e171782e5b3cafad2fed918fcab93938603
diff --git a/build/linux/avrdude-6.3.0-arduino8-i686-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino8-i686-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index 05e6e604056..00000000000
--- a/build/linux/avrdude-6.3.0-arduino8-i686-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-8e3941f694d17d80dfea9a3cad7d3ec13e64284f
diff --git a/build/linux/avrdude-6.3.0-arduino8-x86_64-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino8-x86_64-pc-linux-gnu.tar.bz2.sha
deleted file mode 100644
index 3a7e416912a..00000000000
--- a/build/linux/avrdude-6.3.0-arduino8-x86_64-pc-linux-gnu.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-d6cc64c9d8faa7a5dc83d2b3b3c4aef0f92f8f1b
diff --git a/build/linux/avrdude-6.3.0-arduino8-armhf-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino9-armhf-pc-linux-gnu.tar.bz2.sha
similarity index 100%
rename from build/linux/avrdude-6.3.0-arduino8-armhf-pc-linux-gnu.tar.bz2.sha
rename to build/linux/avrdude-6.3.0-arduino9-armhf-pc-linux-gnu.tar.bz2.sha
diff --git a/build/linux/avrdude-6.3.0-arduino9-i686-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino9-i686-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 00000000000..2c7e131c27b
--- /dev/null
+++ b/build/linux/avrdude-6.3.0-arduino9-i686-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+989bb9e20618fd1007e09ac0b51c8cac27447aa9
diff --git a/build/linux/avrdude-6.3.0-arduino9-x86_64-pc-linux-gnu.tar.bz2.sha b/build/linux/avrdude-6.3.0-arduino9-x86_64-pc-linux-gnu.tar.bz2.sha
new file mode 100644
index 00000000000..1d2b02dc3ed
--- /dev/null
+++ b/build/linux/avrdude-6.3.0-arduino9-x86_64-pc-linux-gnu.tar.bz2.sha
@@ -0,0 +1 @@
+28546bfcb6e6c8f326020c0b8df7e46cca71b25a
diff --git a/build/macosx/arduinoOTA-1.0.0-osx.tar.bz2.sha b/build/macosx/arduinoOTA-1.0.0-osx.tar.bz2.sha
deleted file mode 100644
index 3d8571bdf03..00000000000
--- a/build/macosx/arduinoOTA-1.0.0-osx.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-3d9f65a3313ca4447e502df82ce6f433552090e5
diff --git a/build/macosx/arduinoOTA-1.1.1-darwin_amd64.tar.bz2.sha b/build/macosx/arduinoOTA-1.1.1-darwin_amd64.tar.bz2.sha
new file mode 100644
index 00000000000..92cb17c7d6f
--- /dev/null
+++ b/build/macosx/arduinoOTA-1.1.1-darwin_amd64.tar.bz2.sha
@@ -0,0 +1 @@
+4ae94bbe639cab1e5d295a73fc95f56cbf3d5d51
diff --git a/build/macosx/avr-gcc-4.9.2-atmel3.5.3-arduino2-i386-apple-darwin11.tar.bz2.sha b/build/macosx/avr-gcc-4.9.2-atmel3.5.3-arduino2-i386-apple-darwin11.tar.bz2.sha
deleted file mode 100644
index 4fc95475135..00000000000
--- a/build/macosx/avr-gcc-4.9.2-atmel3.5.3-arduino2-i386-apple-darwin11.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-bd0a579e8b1613a97ed74ef018505f63872ec023
diff --git a/build/macosx/avr-gcc-4.9.2-atmel3.5.4-arduino2-i386-apple-darwin11.tar.bz2.sha b/build/macosx/avr-gcc-4.9.2-atmel3.5.4-arduino2-i386-apple-darwin11.tar.bz2.sha
new file mode 100644
index 00000000000..3a72dba3815
--- /dev/null
+++ b/build/macosx/avr-gcc-4.9.2-atmel3.5.4-arduino2-i386-apple-darwin11.tar.bz2.sha
@@ -0,0 +1 @@
+431bc914b508d3ced22914b11096f73cd7f19f3e
diff --git a/build/macosx/avrdude-6.3.0-arduino8-i386-apple-darwin11.tar.bz2.sha b/build/macosx/avrdude-6.3.0-arduino8-i386-apple-darwin11.tar.bz2.sha
deleted file mode 100644
index cf5122f4707..00000000000
--- a/build/macosx/avrdude-6.3.0-arduino8-i386-apple-darwin11.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-b0ecf552e27c35cd79411b220b68cb980860f505
diff --git a/build/macosx/avrdude-6.3.0-arduino9-i386-apple-darwin11.tar.bz2.sha b/build/macosx/avrdude-6.3.0-arduino9-i386-apple-darwin11.tar.bz2.sha
new file mode 100644
index 00000000000..7c2e108bea1
--- /dev/null
+++ b/build/macosx/avrdude-6.3.0-arduino9-i386-apple-darwin11.tar.bz2.sha
@@ -0,0 +1 @@
+0ea78df7016daaa53a0c774618bea72f33617afa
diff --git a/build/windows/arduinoOTA-1.0.0-windows.zip.sha b/build/windows/arduinoOTA-1.0.0-windows.zip.sha
deleted file mode 100644
index 245449da56f..00000000000
--- a/build/windows/arduinoOTA-1.0.0-windows.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-474366736c4a9a15ab8f228e2c198be44fced561
diff --git a/build/windows/arduinoOTA-1.1.1-windows_386.zip.sha b/build/windows/arduinoOTA-1.1.1-windows_386.zip.sha
new file mode 100644
index 00000000000..b445ee2ef59
--- /dev/null
+++ b/build/windows/arduinoOTA-1.1.1-windows_386.zip.sha
@@ -0,0 +1 @@
+d649b42b7b66896c14878d0f27b7e09d7717ee47
diff --git a/build/windows/avr-gcc-4.9.2-atmel3.5.3-arduino2-i686-mingw32.zip.sha b/build/windows/avr-gcc-4.9.2-atmel3.5.3-arduino2-i686-mingw32.zip.sha
deleted file mode 100644
index e8e9b342674..00000000000
--- a/build/windows/avr-gcc-4.9.2-atmel3.5.3-arduino2-i686-mingw32.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-1fb69fc6c9dce945d5e595cb9e76a8d2d4cebae8
diff --git a/build/windows/avr-gcc-4.9.2-atmel3.5.4-arduino2-i686-mingw32.zip.sha b/build/windows/avr-gcc-4.9.2-atmel3.5.4-arduino2-i686-mingw32.zip.sha
new file mode 100644
index 00000000000..5c09ce10f28
--- /dev/null
+++ b/build/windows/avr-gcc-4.9.2-atmel3.5.4-arduino2-i686-mingw32.zip.sha
@@ -0,0 +1 @@
+78c77b2a5724c627861684cc8fe45a39e57cc0f4
diff --git a/build/windows/avrdude-6.3.0-arduino8-i686-w64-mingw32.zip.sha b/build/windows/avrdude-6.3.0-arduino8-i686-w64-mingw32.zip.sha
deleted file mode 100644
index e337fc1c99f..00000000000
--- a/build/windows/avrdude-6.3.0-arduino8-i686-w64-mingw32.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-2799d620d4ea3933cb88c1e3e39e9f407ec3fef7
diff --git a/build/windows/avrdude-6.3.0-arduino9-i686-w64-mingw32.zip.sha b/build/windows/avrdude-6.3.0-arduino9-i686-w64-mingw32.zip.sha
new file mode 100644
index 00000000000..0c7ce435b91
--- /dev/null
+++ b/build/windows/avrdude-6.3.0-arduino9-i686-w64-mingw32.zip.sha
@@ -0,0 +1 @@
+90b367fb9b07c0427e491841efbbf15fd3cd0565
diff --git a/hardware/arduino/avr/platform.txt b/hardware/arduino/avr/platform.txt
index c8a65d3131b..3985678bd88 100644
--- a/hardware/arduino/avr/platform.txt
+++ b/hardware/arduino/avr/platform.txt
@@ -6,7 +6,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5-3rd-party-Hardware-specification
 
 name=Arduino AVR Boards
-version=1.6.17
+version=1.6.18
 
 # AVR compile variables
 # ---------------------
diff --git a/hardware/package_index_bundled.json b/hardware/package_index_bundled.json
index 671659070b9..4eb2fdac5fb 100644
--- a/hardware/package_index_bundled.json
+++ b/hardware/package_index_bundled.json
@@ -12,7 +12,7 @@
         {
           "name": "Arduino AVR Boards",
           "architecture": "avr",
-          "version": "1.6.17",
+          "version": "1.6.18",
           "category": "Arduino",
           "help": {
             "online": "http://www.arduino.cc/en/Reference/HomePage"
@@ -53,17 +53,17 @@
             {
               "packager": "arduino",
               "name": "avr-gcc",
-              "version": "4.9.2-atmel3.5.3-arduino2"
+              "version": "4.9.2-atmel3.5.4-arduino2"
             },
             {
               "packager": "arduino",
               "name": "avrdude",
-              "version": "6.3.0-arduino8"
+              "version": "6.3.0-arduino9"
             },
             {
               "packager": "arduino",
               "name": "arduinoOTA",
-              "version": "1.0.0"
+              "version": "1.1.1"
             }
           ]
         }
@@ -71,124 +71,124 @@
       "tools": [
         {
           "name": "avrdude",
-          "version": "6.3.0-arduino8",
+          "version": "6.3.0-arduino9",
           "systems": [
             {
               "size": "644550",
               "checksum": "SHA-256:25a6834ae48019fccf37024236a1f79fe21760414292a4f3fa058d937ceee1ce",
               "host": "arm-linux-gnueabihf",
-              "archiveFileName": "avrdude-6.3.0-arduino8-armhf-pc-linux-gnu.tar.bz2",
-              "url": "http://downloads.arduino.cc/tools/avrdude-6.3.0-arduino8-armhf-pc-linux-gnu.tar.bz2"
+              "archiveFileName": "avrdude-6.3.0-arduino9-armhf-pc-linux-gnu.tar.bz2",
+              "url": "http://downloads.arduino.cc/tools/avrdude-6.3.0-arduino9-armhf-pc-linux-gnu.tar.bz2"
             },
             {
-              "size": "697268",
-              "checksum": "SHA-256:be8a33a7ec01bb7123279466ffa31371e0aa4fccefffcc23ce71810b59531947",
+              "size": "697309",
+              "checksum": "SHA-256:bfa06bc042dff252d3a8eded98da159484e75b46d2697da4d9446dcd2aea8465",
               "host": "i386-apple-darwin11",
-              "archiveFileName": "avrdude-6.3.0-arduino8-i386-apple-darwin11.tar.bz2",
-              "url": "http://downloads.arduino.cc/tools/avrdude-6.3.0-arduino8-i386-apple-darwin11.tar.bz2"
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