diff --git a/extra/js115/.SRCINFO b/extra/js115/.SRCINFO
index 6560b1a95..93357b592 100644
--- a/extra/js115/.SRCINFO
+++ b/extra/js115/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = js115
 	pkgdesc = JavaScript interpreter and libraries - Version 115
-	pkgver = 115.3.1
+	pkgver = 115.4.0
 	pkgrel = 1
 	url = https://spidermonkey.dev/
 	arch = x86_64
@@ -19,10 +19,10 @@ pkgbase = js115
 	depends = sh
 	depends = zlib
 	options = !lto
-	source = https://archive.mozilla.org/pub/firefox/releases/115.3.1esr/source/firefox-115.3.1esr.source.tar.xz
-	source = https://archive.mozilla.org/pub/firefox/releases/115.3.1esr/source/firefox-115.3.1esr.source.tar.xz.asc
+	source = https://archive.mozilla.org/pub/firefox/releases/115.4.0esr/source/firefox-115.4.0esr.source.tar.xz
+	source = https://archive.mozilla.org/pub/firefox/releases/115.4.0esr/source/firefox-115.4.0esr.source.tar.xz.asc
 	validpgpkeys = 14F26682D0916CDD81E37B6D61B7B526D98F0353
-	b2sums = ad5ec24361e94d9185eed210f681c50159f5be3e6046d79200b5e2586107f1ed98ebe7935f1e266afadd570fc1aa6a1aec81fe3b7fb86efb48afe82514f26c68
+	b2sums = 81b3d9e4fa45ef012d726b502d6f86323b509fb25a6c20be42fc37936357df5b661d53a1326a7662bab704aad85db14dd804d5375cb6100a02dc226908039b90
 	b2sums = SKIP
 
 pkgname = js115
diff --git a/extra/js115/PKGBUILD b/extra/js115/PKGBUILD
index 2d0832473..16732203e 100644
--- a/extra/js115/PKGBUILD
+++ b/extra/js115/PKGBUILD
@@ -5,7 +5,7 @@
 #  - remove PGO build
 
 pkgname=js115
-pkgver=115.3.1
+pkgver=115.4.0
 pkgrel=1
 pkgdesc="JavaScript interpreter and libraries - Version 115"
 url="https://spidermonkey.dev/"
@@ -35,7 +35,7 @@ _relver=${pkgver}esr
 source=(
   https://archive.mozilla.org/pub/firefox/releases/$_relver/source/firefox-$_relver.source.tar.xz{,.asc}
 )
-b2sums=('ad5ec24361e94d9185eed210f681c50159f5be3e6046d79200b5e2586107f1ed98ebe7935f1e266afadd570fc1aa6a1aec81fe3b7fb86efb48afe82514f26c68'
+b2sums=('81b3d9e4fa45ef012d726b502d6f86323b509fb25a6c20be42fc37936357df5b661d53a1326a7662bab704aad85db14dd804d5375cb6100a02dc226908039b90'
         'SKIP')
 validpgpkeys=(
   # Mozilla Software Releases <release@mozilla.com>