diff --git a/devel/gdcm/Makefile b/devel/gdcm/Makefile
index f1c399474bd2..0f64d29e6969 100644
--- a/devel/gdcm/Makefile
+++ b/devel/gdcm/Makefile
@@ -1,62 +1,62 @@
 # Created by: Pietro Cerutti <gahr@FreeBSD.org>
 
 PORTNAME=	gdcm
 PORTVERSION=	${GDCM_MAJOR}.${GDCM_MINOR}.${GDCM_PATCH}
 CATEGORIES=	devel
 MASTER_SITES=	SF/gdcm/gdcm%20${GDCM_MAJOR}.x/GDCM%20${PORTVERSION}
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Grassroots DICOM library
 
 LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	libopenjp2.so:graphics/openjpeg \
 		libexpat.so:textproc/expat2
 
 USES=		alias cmake compiler:c++11-lang pkgconfig tar:bzip2 ssl
 
 OPTIONS_DEFINE=		VTK6
 OPTIONS_SUB=		yes
 
 VTK6_DESC=		Build VTK 6 integration classes
 VTK6_LIB_DEPENDS=	libvtkCommonCore-${VTK6_VERSION}.so:math/vtk6
 VTK6_CMAKE_ON=		-DGDCM_USE_VTK:BOOL=ON \
 			-DVTK_DIR:PATH=${LOCALBASE}/lib/vtk-${VTK6_VERSION}
 VTK6_USES=		gl
 VTK6_USE=		GL=glu
 
 # Change this when updating the port
 GDCM_MAJOR=	3
 GDCM_MINOR=	0
-GDCM_PATCH=	11
+GDCM_PATCH=	12
 
 # Change this whenever VTK is updated
 VTK6_VERSION=	6.2
 
 USE_LDCONFIG=	yes
 CFLAGS+=	-I${LOCALBASE}/include
 CMAKE_ARGS=	-DGDCM_USE_SYSTEM_OPENSSL:BOOL=ON \
 		-DGDCM_USE_SYSTEM_EXPAT:BOOL=ON \
 		-DGDCM_USE_SYSTEM_OPENJPEG:BOOL=ON \
 		-DGDCM_USE_SYSTEM_ZLIB:BOOL=ON \
 		-DGDCM_BUILD_APPLICATIONS:BOOL=ON \
 		-DGDCM_BUILD_SHARED_LIBS:BOOL=ON \
 		-DGDCM_BUILD_EXAMPLES:BOOL=OFF \
 		-DGDCM_INSTALL_DATA_DIR:PATH=${DATADIR_REL} \
 		-DGDCM_DOCUMENTATION:BOOL=OFF \
 		-DGDCM_BUILD_DOCBOOK_MANPAGES:BOOL=OFF
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MVTK6}
 DESKTOP_ENTRIES="Gdcmviewer" "Simple DICOM Viewer" "" "gdcmviewer" "" ""
 PLIST_SUB+=	VTK=""
 .else
 PLIST_SUB+=	VTK="@comment "
 .endif
 
 PLIST_SUB+=	GDCM_MAJOR="${GDCM_MAJOR}" \
 		GDCM_MINOR="${GDCM_MINOR}" \
 		GDCM_PATCH="${GDCM_PATCH}"
 
 .include <bsd.port.mk>
diff --git a/devel/gdcm/distinfo b/devel/gdcm/distinfo
index da117c6141e4..8596f26a5ecd 100644
--- a/devel/gdcm/distinfo
+++ b/devel/gdcm/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1648143956
-SHA256 (gdcm-3.0.11.tar.bz2) = 340094ec7166fdbcfe110cf6e293a61d1e24eee35107ddbfeafcdd95a1f65b32
-SIZE (gdcm-3.0.11.tar.bz2) = 2935807
+TIMESTAMP = 1648844335
+SHA256 (gdcm-3.0.12.tar.bz2) = 37534b51128c0f35d7c34420f2bc75b66dfe9c9fbf5931cc4e1ca3493772880d
+SIZE (gdcm-3.0.12.tar.bz2) = 2936041