diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index b2d26726dd4..ed244e998b4 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -3,7 +3,7 @@
 # THIS PKG MUST BE SYNCHRONIZED WITH "srcpkgs/firefox-i18n".
 #
 pkgname=firefox
-version=66.0
+version=66.0.1
 revision=1
 build_helper="rust"
 short_desc="Mozilla Firefox web browser"
@@ -11,7 +11,7 @@ maintainer="Johannes <johannes.brechtmann@gmail.com>"
 license="MPL-2.0, GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://www.mozilla.org/firefox/"
 distfiles="${MOZILLA_SITE}/${pkgname}/releases/${version}/source/${pkgname}-${version}.source.tar.xz"
-checksum=c37b253294826b6d14864dc38342edd5b174e76a272a7e5dbaca007eb2cac7b0
+checksum=5dd072db4e96f8bbedc62cfab0de3c710d95f7c65fc676f90e1e86bc4b46fab2
 
 lib32disabled=yes