diff --git a/graphics/openshadinglanguage/Makefile b/graphics/openshadinglanguage/Makefile
index 0db3049805be..cac0723c870b 100644
--- a/graphics/openshadinglanguage/Makefile
+++ b/graphics/openshadinglanguage/Makefile
@@ -1,96 +1,95 @@
 # Created by: Shane Ambler <FreeBSD@Shaneware.biz>
 
 PORTNAME=	openshadinglanguage
 DISTVERSIONPREFIX=	Release-
-DISTVERSION=	1.11.13.0
-PORTREVISION=	4
+DISTVERSION=	1.11.15.0
 CATEGORIES=	graphics devel
 
 MAINTAINER=	FreeBSD@Shaneware.biz
 COMMENT=	Advanced shading language for production GI renderers
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 BROKEN_FreeBSD_12_powerpc64=	fails to compile: llvm_ops.cpp:101:10: fatal error: 'iostream' file not found
 BROKEN_riscv64=		fails to build: /usr/include/c++/v1/__threading_support:135:3: Unsupported architecture
 
 BUILD_DEPENDS=	llvm-config${LLVM_VER}:devel/llvm${LLVM_VER}
 LIB_DEPENDS=	libboost_thread.so:devel/boost-libs \
 		libImath.so:math/Imath \
 		libOpenEXR.so:graphics/openexr \
 		libOpenImageIO.so:graphics/openimageio \
 		libpugixml.so:textproc/pugixml
 RUN_DEPENDS=	llvm-config${LLVM_VER}:devel/llvm${LLVM_VER}
 
 USES=		bison cmake compiler:c++14-lang ncurses
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	imageworks
 GH_PROJECT=	OpenShadingLanguage
 
 # Use LLVM linker where available
 .if exists(/usr/bin/ld.lld) && (${/usr/bin/ld:L:tA} != /usr/bin/ld.lld)
 LDFLAGS+=	-fuse-ld=lld
 .endif
 
 CMAKE_ON=	ENABLERTTI OSL_BUILD_TESTS USE_LLVM_BITCODE USE_LIBCPLUSPLUS
 CMAKE_OFF=	USE_BOOST_WAVE
 CMAKE_ARGS+=	-DLLVM_CONFIG:STRING="${LOCALBASE}/bin/llvm-config${LLVM_VER}" \
 		-DCMAKE_INSTALL_DOCDIR:STRING=${DOCSDIR} -DCMAKE_CXX_STANDARD=14
 # This flag fixes linking with clang 9.0 ??
 CXXFLAGS+=	-DNDEBUG
 
 OPTIONS_DEFINE=		MATERIALX OSLTOY
 OPTIONS_SUB=		yes
 
 MATERIALX_DESC=		Install material library
 MATERIALX_CMAKE_BOOL=	OSL_BUILD_MATERIALX
 
 OSLTOY_DESC=		Interactive shader edit and visualize tool
 OSLTOY_CMAKE_BOOL=	USE_QT
 OSLTOY_USES=		qt:5
 OSLTOY_USE=		QT=buildtools,core,gui,qmake_build,widgets
 
 CXXFLAGS+=	-I${STAGEDIR}/include
 
 # DISTVERSION has an extra digit which isn't in the lib name
 # for LIBVERS we want the first three digits
 PLIST_SUB+=	LIBVERS=${DISTVERSION:C/([0-9]*)\.([0-9]*)\.([0-9]*)(.*)/\1.\2.\3/}
 
 .include <bsd.port.options.mk>
 
 .if ${LLVM_DEFAULT:M[678]0}
 LLVM_VER=	90
 .else
 LLVM_VER=	${LLVM_DEFAULT}
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -e 's,%%DATADIR%%,${DATADIR},' \
 		-e 's,%%PYCMD%%,${PYTHON_CMD},' \
 		${WRKSRC}/src/shaders/CMakeLists.txt \
 		${WRKSRC}/src/shaders/MaterialX/CMakeLists.txt \
 		${WRKSRC}/src/liboslexec/CMakeLists.txt
 
 .if ${SLAVE_PORT} == yes
 BUILD_DEPENDS+=	${PREFIX}/share/cmake/pybind11/pybind11Config.cmake:devel/pybind11
 LIB_DEPENDS+=	liboslquery.so:graphics/openshadinglanguage
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}openimageio>0:graphics/py-openimageio@${PY_FLAVOR}
 PLIST=		${PKGDIR}/pkg-plist-pybind
 USES+=		python:3.6+
 USE_PYTHON=	flavors
 CMAKE_ON+=	USE_PYTHON
 CMAKE_ARGS+=	-DPYTHON_VERSION=${PYTHON_VER}
 
 do-install:
 	${MKDIR} ${STAGEDIR}${PYTHON_SITELIBDIR}
 	${INSTALL_LIB} ${BUILD_WRKSRC}/lib/python/site-packages/oslquery.so ${STAGEDIR}${PYTHON_SITELIBDIR}
 .else # SLAVE_PORT != yes
 USES+=		python:3.6+,build
 BINARY_ALIAS+=	python=${PYTHON_CMD}
 CMAKE_OFF+=	USE_PYTHON
 USE_LDCONFIG=	yes
 .endif # SLAVE_PORT
 
 .include <bsd.port.mk>
diff --git a/graphics/openshadinglanguage/distinfo b/graphics/openshadinglanguage/distinfo
index 9b4e47c5e101..8eb926cc4ea9 100644
--- a/graphics/openshadinglanguage/distinfo
+++ b/graphics/openshadinglanguage/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1618078392
-SHA256 (imageworks-OpenShadingLanguage-Release-1.11.13.0_GH0.tar.gz) = de192571b1b0cb182f108832a9d2acf5682f46248ed3ecc0464d787ccfc097cf
-SIZE (imageworks-OpenShadingLanguage-Release-1.11.13.0_GH0.tar.gz) = 14142105
+TIMESTAMP = 1631387445
+SHA256 (imageworks-OpenShadingLanguage-Release-1.11.15.0_GH0.tar.gz) = a10baa2455405f0a6488a915645dd3d006b8471bae6c269796ba5ba6ce863cbc
+SIZE (imageworks-OpenShadingLanguage-Release-1.11.15.0_GH0.tar.gz) = 14143372