diff --git a/atom/common/chrome_version.h b/atom/common/chrome_version.h
index 4838875354ab..04d30344ed7d 100644
--- a/atom/common/chrome_version.h
+++ b/atom/common/chrome_version.h
@@ -8,7 +8,7 @@
 #ifndef ATOM_COMMON_CHROME_VERSION_H_
 #define ATOM_COMMON_CHROME_VERSION_H_
 
-#define CHROME_VERSION_STRING "56.0.2924.87"
+#define CHROME_VERSION_STRING "58.0.3029.40"
 #define CHROME_VERSION "v" CHROME_VERSION_STRING
 
 #endif  // ATOM_COMMON_CHROME_VERSION_H_
diff --git a/script/lib/config.py b/script/lib/config.py
index 5818571089ff..1b8eac013449 100644
--- a/script/lib/config.py
+++ b/script/lib/config.py
@@ -9,7 +9,7 @@ import sys
 BASE_URL = os.getenv('LIBCHROMIUMCONTENT_MIRROR') or \
     'https://s3.amazonaws.com/github-janky-artifacts/libchromiumcontent'
 LIBCHROMIUMCONTENT_COMMIT = os.getenv('LIBCHROMIUMCONTENT_COMMIT') or \
-    '4a0e32606e52c12c50c2e3a0973d015d8cdff494'
+    '8c3e532385811b5cea80e969c1beb1bf3ffb6777'
 
 PLATFORM = {
   'cygwin': 'win32',
diff --git a/vendor/brightray b/vendor/brightray
index 909c49265493..5e08ec992316 160000
--- a/vendor/brightray
+++ b/vendor/brightray
@@ -1 +1 @@
-Subproject commit 909c49265493bd095c27cefd999567be2107899a
+Subproject commit 5e08ec992316520c3c1643b1e3569f297556b8bb