diff --git a/lang/spidermonkey128/Makefile b/lang/spidermonkey128/Makefile
index 725cac45a2b1..be42a0bf2c74 100644
--- a/lang/spidermonkey128/Makefile
+++ b/lang/spidermonkey128/Makefile
@@ -1,6 +1,5 @@
 PORTNAME=	spidermonkey
-DISTVERSION=	128.6.0
-PORTREVISION=	3
+DISTVERSION=	128.8.0
 CATEGORIES=	lang
 MASTER_SITES=	MOZILLA/firefox/releases/${DISTVERSION}esr/source \
 		MOZILLA/firefox/candidates/${DISTVERSION}esr-candidates/build1/source
diff --git a/lang/spidermonkey128/distinfo b/lang/spidermonkey128/distinfo
index 5766ccfbea67..99b0560c54dd 100644
--- a/lang/spidermonkey128/distinfo
+++ b/lang/spidermonkey128/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1734626567
-SHA256 (firefox-128.6.0esr.source.tar.xz) = b7a39d3ce12d05021dd34a5e449cdd4bb53d3dc24f0ae9201eaaa85c71868508
-SIZE (firefox-128.6.0esr.source.tar.xz) = 563259116
+TIMESTAMP = 1740438576
+SHA256 (firefox-128.8.0esr.source.tar.xz) = 201fcb12c285470f2b3cdf050f0fe7d96d5e0c5d352e86ef8957b595329a32bf
+SIZE (firefox-128.8.0esr.source.tar.xz) = 563554116