diff --git a/graphics/dcmtk/Makefile b/graphics/dcmtk/Makefile
index dfeeb824de2a..d401b7985ec0 100644
--- a/graphics/dcmtk/Makefile
+++ b/graphics/dcmtk/Makefile
@@ -1,48 +1,51 @@
 PORTNAME=	dcmtk
 DISTVERSIONPREFIX=	${PORTNAME:tu}-
 DISTVERSION=	3.6.8
 CATEGORIES=	graphics devel
 
+PATCH_SITES=	https://github.com/DCMTK/${PORTNAME}/commit/
+PATCHFILES+=	c29bebcd19bb963d72dcd00ca8745f60f6b9a39e.patch:-p1 # fix compilation with clang 19, gcc 15
+
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	DICOM ToolKit, libraries and applications for DICOM/MEDICOM standard
 WWW=		https://dcmtk.org
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYRIGHT
 
 LIB_DEPENDS=	libicuuc.so:devel/icu \
 		libpng.so:graphics/png \
 		libtiff.so:graphics/tiff
 
 USES=		compiler:c++11-lang cmake cpe gnome jpeg ssl
 CPE_VENDOR=	offis
 USE_GITHUB=	yes
 GH_ACCOUNT=	${PORTNAME:tu}
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_OFF=	DCMTK_WITH_DOXYGEN
 
 OPTIONS_DEFINE=	DOCS
 
 PORTDOCS=	*
 
 ETCDIR=		${PREFIX}/etc/${PORTNAME}-${PORTVERSION}
 DATADIR=	${PREFIX}/share/${PORTNAME}-${PORTVERSION}
 DOCSDIR=	${PREFIX}/share/doc/${PORTNAME}-${PORTVERSION}
 
 TEST_TARGET=	test test-exhaustive
 
 PORTSCOUT=	limit:^.*[0-9].*$$ # prevent tags like latest
 
 .include <bsd.port.pre.mk>
 
 .if ${ARCH:Mpowerpc*} && ${COMPILER_VERSION} == 140
 LLVM_VER=	15
 BUILD_DEPENDS+=	clang${LLVM_VER}:devel/llvm${LLVM_VER}
 CC=		${LOCALBASE}/bin/clang${LLVM_VER}
 CXX=		${LOCALBASE}/bin/clang++${LLVM_VER}
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/graphics/dcmtk/distinfo b/graphics/dcmtk/distinfo
index 738b7d2d3521..cf124b306980 100644
--- a/graphics/dcmtk/distinfo
+++ b/graphics/dcmtk/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1714942515
+TIMESTAMP = 1723820540
 SHA256 (DCMTK-dcmtk-DCMTK-3.6.8_GH0.tar.gz) = fca429a215739702fe8d96178964036246a35e2ea8adb12da33851e2be8e9a07
 SIZE (DCMTK-dcmtk-DCMTK-3.6.8_GH0.tar.gz) = 9670224
+SHA256 (c29bebcd19bb963d72dcd00ca8745f60f6b9a39e.patch) = fc876f47d44b582f0ac56a1390fd7bf1eb8767444f591fb80a367dd6f84ec015
+SIZE (c29bebcd19bb963d72dcd00ca8745f60f6b9a39e.patch) = 1413