diff --git a/build/build.xml b/build/build.xml
index 8359e30b4..565c1618f 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -155,8 +155,8 @@
 
     <!-- Unzip documentation -->
     <antcall target="unzip">
-      <param name="archive_file" value="shared/reference-1.6.6-2.zip" />
-      <param name="archive_url" value="http://downloads.arduino.cc/reference-1.6.6-2.zip" />
+      <param name="archive_file" value="shared/reference-1.6.6-3.zip" />
+      <param name="archive_url" value="http://downloads.arduino.cc/reference-1.6.6-3.zip" />
       <param name="final_folder" value="${target.path}/reference/www.arduino.cc" />
       <param name="dest_folder" value="${target.path}/reference/" />
     </antcall>
diff --git a/build/shared/reference-1.6.6-2.zip.sha b/build/shared/reference-1.6.6-2.zip.sha
deleted file mode 100644
index 794998c7e..000000000
--- a/build/shared/reference-1.6.6-2.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-ca51b6e4e299b3c6b544768783780218dd8e12e5
diff --git a/build/shared/reference-1.6.6-3.zip.sha b/build/shared/reference-1.6.6-3.zip.sha
new file mode 100644
index 000000000..eff35eeff
--- /dev/null
+++ b/build/shared/reference-1.6.6-3.zip.sha
@@ -0,0 +1 @@
+cc4f36c9783772f07c9a1bb4a60d7be3b504c69e