diff --git a/.npmrc b/.npmrc
index 789ece24ffb..f5d6fea6f2c 100644
--- a/.npmrc
+++ b/.npmrc
@@ -1,4 +1,4 @@
 runtime = electron
-target = 1.3.3
+target = 1.4.0
 target_arch = x64
 disturl = https://atom.io/download/atom-shell
diff --git a/tools/cibuild.py b/tools/cibuild.py
index 3ec24339b7f..c151c977c4e 100755
--- a/tools/cibuild.py
+++ b/tools/cibuild.py
@@ -5,7 +5,7 @@
 import sys
 import os.path
 
-UPSTREAM_ELECTRON = '1.3.3'
+UPSTREAM_ELECTRON = '1.4.0'
 SOURCE_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
 TARGET_ARCH= os.environ['TARGET_ARCH'] if os.environ.has_key('TARGET_ARCH') else 'x64'
 os.environ['npm_config_arch'] = TARGET_ARCH