diff --git a/devel/glibmm/Makefile b/devel/glibmm/Makefile
index 703a5a6ebb58..ae1606510b2f 100644
--- a/devel/glibmm/Makefile
+++ b/devel/glibmm/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	glibmm
-PORTVERSION=	2.66.5
+PORTVERSION=	2.66.6
 PORTEPOCH=	1
 CATEGORIES=	devel
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	C++ interfaces for glib2
 WWW=		https://www.gtkmm.org/
 
 LICENSE=	LGPL21
 
 USES=		compiler:c++11-lang gettext gnome meson pathfix perl5 \
 		pkgconfig python:build shebangfix tar:xz
 USE_GNOME=	glib20 libsigc++20
 USE_LDCONFIG=	yes
 
 SHEBANG_GLOB=	*.py
 
 MESON_ARGS=	-Dbuild-documentation=false
 
 # 2.68 and later are currently incompatible with consumers
 PORTSCOUT=	limit:^2\.66
 PLIST_SUB=	VERSION=2.4
 
 .include <bsd.port.mk>
diff --git a/devel/glibmm/distinfo b/devel/glibmm/distinfo
index 6adc2d68bead..346442cc3352 100644
--- a/devel/glibmm/distinfo
+++ b/devel/glibmm/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1667656505
-SHA256 (gnome/glibmm-2.66.5.tar.xz) = 7b384662dd6ec3b86c0570331d32af05db2bd99a791602b767b4a0b2566ec149
-SIZE (gnome/glibmm-2.66.5.tar.xz) = 7610516
+TIMESTAMP = 1695328461
+SHA256 (gnome/glibmm-2.66.6.tar.xz) = 5358742598181e5351d7bf8da072bf93e6dd5f178d27640d4e462bc8f14e152f
+SIZE (gnome/glibmm-2.66.6.tar.xz) = 8668828