diff --git a/deps/zlib/zlib.gyp b/deps/zlib/zlib.gyp
index bbfb561b89b52f..7cc472d63ad056 100644
--- a/deps/zlib/zlib.gyp
+++ b/deps/zlib/zlib.gyp
@@ -54,6 +54,7 @@
           'conditions': [
             ['OS!="win"', {
               'cflags!': [ '-ansi' ],
+              'cflags': [ '-Wno-implicit-fallthrough' ],
               'defines': [ 'HAVE_HIDDEN' ],
             }],
             ['OS=="mac" or OS=="ios" or OS=="freebsd" or OS=="android"', {