diff --git a/srcpkgs/firefox-esr/template b/srcpkgs/firefox-esr/template
index 363ab79264..ca8abc3669 100644
--- a/srcpkgs/firefox-esr/template
+++ b/srcpkgs/firefox-esr/template
@@ -1,14 +1,14 @@
 # Template build file for 'firefox-esr'.
 pkgname=firefox-esr
-version=45.3.0
-revision=4
+version=45.4.0
+revision=1
 wrksrc="firefox-${version}esr"
 short_desc="Lightweight gecko-based web browser"
 maintainer="Eivind Uggedal <eivind@uggedal.com>"
 homepage="https://www.mozilla.org/en-US/firefox/organizations/"
 license="MPL-1.1, GPL-2, LGPL-2.1"
 distfiles="${MOZILLA_SITE}/firefox/releases/${version}esr/source/firefox-${version}esr.source.tar.xz"
-checksum=922233c65c0aabd05371974c289495119c28d72fc7f8b06a22b58c5f70f8b8f7
+checksum=cfd90096b9e1019b9de4fe061ece8c65f668b8a24bcbb657ce6b3c940ef83ad0
 
 only_for_archs="i686 i686-musl x86_64 x86_64-musl"
 nopie=yes