diff --git a/www/firefox/Makefile b/www/firefox/Makefile
index 4c829c7bad8e..24b477e12b5f 100644
--- a/www/firefox/Makefile
+++ b/www/firefox/Makefile
@@ -2,12 +2,11 @@
 # $FreeBSD$
 
 PORTNAME=	firefox
-DISTVERSION=	77.0
-PORTREVISION=	4
+DISTVERSION=	77.0.1
 PORTEPOCH=	1
 CATEGORIES=	www
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}/source \
-		MOZILLA/${PORTNAME}/candidates/${DISTVERSION}-candidates/build3/source
+		MOZILLA/${PORTNAME}/candidates/${DISTVERSION}-candidates/build1/source
 DISTFILES=	${DISTNAME}.source${EXTRACT_SUFX}
 
 MAINTAINER=	gecko@FreeBSD.org
diff --git a/www/firefox/distinfo b/www/firefox/distinfo
index 63721fe9a3fd..9f5fce781e28 100644
--- a/www/firefox/distinfo
+++ b/www/firefox/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1590732186
-SHA256 (firefox-77.0.source.tar.xz) = b534794c493d8698dfb6c852af52b49540afdf88dc50451f42d6591de93291e8
-SIZE (firefox-77.0.source.tar.xz) = 329713656
+TIMESTAMP = 1591146315
+SHA256 (firefox-77.0.1.source.tar.xz) = 54256fc5f8e9c2e8129ef84773fae31fcfdaf95da6d4d03151f3939e9f749640
+SIZE (firefox-77.0.1.source.tar.xz) = 334037816