diff --git lang/spidermonkey78/Makefile lang/spidermonkey78/Makefile
index 0ace36ef5937..278da7724248 100644
--- lang/spidermonkey78/Makefile
+++ lang/spidermonkey78/Makefile
@@ -1,6 +1,5 @@
 PORTNAME=	spidermonkey
-DISTVERSION=	78.7.0
-PORTREVISION=	7
+DISTVERSION=	78.9.0
 CATEGORIES=	lang
 MASTER_SITES=	MOZILLA/firefox/releases/${DISTVERSION}esr/source
 PKGNAMESUFFIX=	${SP_VER}
diff --git lang/spidermonkey78/distinfo lang/spidermonkey78/distinfo
index 7b9928c7c769..e055a8eae0e4 100644
--- lang/spidermonkey78/distinfo
+++ lang/spidermonkey78/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1612138148
-SHA256 (firefox-78.7.0esr.source.tar.xz) = 1aa041db28cd742e93d663a9da8defd33040b38d8b9470350538473251621643
-SIZE (firefox-78.7.0esr.source.tar.xz) = 332849732
+TIMESTAMP = 1630196184
+SHA256 (firefox-78.9.0esr.source.tar.xz) = 8e03ac1dfc5ac804c8b13a529414a9387e0425e545bb2f4462d74c3175e64864
+SIZE (firefox-78.9.0esr.source.tar.xz) = 332717100