diff --git a/atom/common/chrome_version.h b/atom/common/chrome_version.h
index d7f46761287e..3abf4d4252c7 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 "50.0.2661.102"
+#define CHROME_VERSION_STRING "51.0.2704.54"
 #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 01bde92deab6..8ea5bf1e6059 100644
--- a/script/lib/config.py
+++ b/script/lib/config.py
@@ -8,7 +8,7 @@ import sys
 
 BASE_URL = os.getenv('LIBCHROMIUMCONTENT_MIRROR') or \
     'https://s3.amazonaws.com/github-janky-artifacts/libchromiumcontent'
-LIBCHROMIUMCONTENT_COMMIT = 'afdc76a15e66a6a3aeefdc047b34c99eec7f5611'
+LIBCHROMIUMCONTENT_COMMIT = '31ff4384348b139d9e138d4df41b85a11d1a4dbb'
 
 PLATFORM = {
   'cygwin': 'win32',
diff --git a/vendor/brightray b/vendor/brightray
index 5c0307a81008..477290bfa105 160000
--- a/vendor/brightray
+++ b/vendor/brightray
@@ -1 +1 @@
-Subproject commit 5c0307a810088a112d44a452a29baaaa36cd9b42
+Subproject commit 477290bfa105053719a2de5f42089eb8ba261713