diff --git a/Mk/bsd.gecko.mk b/Mk/bsd.gecko.mk
index 023140b8b050..d9c05283ae2d 100644
--- a/Mk/bsd.gecko.mk
+++ b/Mk/bsd.gecko.mk
@@ -85,6 +85,9 @@ LIB_DEPENDS+=	libdrm.so:graphics/libdrm
 .if ${MOZILLA_VER:R:R} >= 85
 RUN_DEPENDS+=	${LOCALBASE}/lib/libpci.so:devel/libpci
 .endif
+.if ${MOZILLA_VER:R:R} >= 90
+LIB_DEPENDS+=	libepoll-shim.so:devel/libepoll-shim
+.endif
 MOZ_EXPORT+=	${CONFIGURE_ENV} \
 				PERL="${PERL}" \
 				PYTHON3="${PYTHON_CMD}" \
diff --git a/www/firefox/Makefile b/www/firefox/Makefile
index c73afc944cf5..647294641f7d 100644
--- a/www/firefox/Makefile
+++ b/www/firefox/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	firefox
 DISTVERSION=	91.0
-PORTREVISION=	1
+PORTREVISION=	2
 PORTEPOCH=	2
 CATEGORIES=	www
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}/source \