diff --git a/atom/common/chrome_version.h b/atom/common/chrome_version.h
index 03288b43a86c..9fbacf4e7371 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 "54.0.2840.101"
+#define CHROME_VERSION_STRING "53.0.2785.143"
 #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 681d410d67d5..6206f9c4cf37 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 \
-    'e01a151e791e4fc26152e3407c9d2b90089d1714'
+    '9f8351f084989f9e4a08d8f804286c844ddd14e7'
 
 PLATFORM = {
   'cygwin': 'win32',