--- a/security/manager/boot/src/StaticHPKPins.h
+++ b/security/manager/boot/src/StaticHPKPins.h
@@ -764,16 +764,17 @@ static const TransportSecurityPreload kP
   { "chrome.com", true, false, false, -1, &kPinset_google_root_pems },
   { "chrome.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "chromiumcodereview.appspot.com", true, false, false, -1, &kPinset_google_root_pems },
   { "cloud.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "code.facebook.com", true, false, false, -1, &kPinset_facebook },
   { "code.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "codereview.appspot.com", true, false, false, -1, &kPinset_google_root_pems },
   { "codereview.chromium.org", true, false, false, -1, &kPinset_google_root_pems },
+  { "contributor.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "dev.twitter.com", true, false, false, -1, &kPinset_twitterCom },
   { "developers.facebook.com", true, false, false, -1, &kPinset_facebook },
   { "dist.torproject.org", true, false, false, -1, &kPinset_tor },
   { "dl.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "docs.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "domains.google.com", true, false, false, -1, &kPinset_google_root_pems },
   { "doubleclick.net", true, false, false, -1, &kPinset_google_root_pems },
   { "drive.google.com", true, false, false, -1, &kPinset_google_root_pems },
@@ -1083,13 +1084,13 @@ static const TransportSecurityPreload kP
   { "www.twitter.com", true, false, false, -1, &kPinset_twitterCom },
   { "xbrlsuccess.appspot.com", true, false, false, -1, &kPinset_google_root_pems },
   { "youtu.be", true, false, false, -1, &kPinset_google_root_pems },
   { "youtube-nocookie.com", true, false, false, -1, &kPinset_google_root_pems },
   { "youtube.com", true, false, false, -1, &kPinset_google_root_pems },
   { "ytimg.com", true, false, false, -1, &kPinset_google_root_pems },
 };
 
-// Pinning Preload List Length = 349;
+// Pinning Preload List Length = 350;
 
 static const int32_t kUnknownId = -1;
 
-static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1440238853731000);
+static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1440843695456000);