diff --git a/multimedia/assimp/Makefile b/multimedia/assimp/Makefile
index eff1b4fc052d..177d8f582ab9 100644
--- a/multimedia/assimp/Makefile
+++ b/multimedia/assimp/Makefile
@@ -1,28 +1,28 @@
 PORTNAME=	assimp
 DISTVERSIONPREFIX=	v
-DISTVERSION=	5.1.3
+DISTVERSION=	5.1.5
 CATEGORIES=	multimedia
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library to import various 3D model formats in a uniform manner
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libminizip.so:archivers/minizip
 
 USES=		cmake:testing compiler:c++11-lib localbase:ldflags pkgconfig
 
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 CMAKE_OFF=		ASSIMP_BUILD_TESTS
 CMAKE_TESTING_ON=	ASSIMP_BUILD_TESTS
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -D${CMAKE_TESTING_ON}=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} ${CMAKE_TESTING_TARGET} && \
 		${BUILD_WRKSRC}/bin/unit
 
 .include <bsd.port.mk>
diff --git a/multimedia/assimp/distinfo b/multimedia/assimp/distinfo
index 93ea86949077..35891dad0fcd 100644
--- a/multimedia/assimp/distinfo
+++ b/multimedia/assimp/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1639204564
-SHA256 (assimp-assimp-v5.1.3_GH0.tar.gz) = 50a7bd2c8009945e1833c591d16f4f7c491a3c6190f69d9d007167aadb175c35
-SIZE (assimp-assimp-v5.1.3_GH0.tar.gz) = 48978110
+TIMESTAMP = 1641403619
+SHA256 (assimp-assimp-v5.1.5_GH0.tar.gz) = d62b58ed3b35c20f89570863a5415df97cb1b301b444d39687140fc883717ced
+SIZE (assimp-assimp-v5.1.5_GH0.tar.gz) = 48972912
diff --git a/multimedia/assimp/pkg-plist b/multimedia/assimp/pkg-plist
index ef54a180cf66..5b8b43774fcb 100644
--- a/multimedia/assimp/pkg-plist
+++ b/multimedia/assimp/pkg-plist
@@ -1,95 +1,95 @@
 bin/assimp
 include/assimp/BaseImporter.h
 include/assimp/Bitmap.h
 include/assimp/BlobIOSystem.h
 include/assimp/ByteSwapper.h
 include/assimp/ColladaMetaData.h
 include/assimp/Compiler/poppack1.h
 include/assimp/Compiler/pstdint.h
 include/assimp/Compiler/pushpack1.h
 include/assimp/CreateAnimMesh.h
 include/assimp/DefaultIOStream.h
 include/assimp/DefaultIOSystem.h
 include/assimp/DefaultLogger.hpp
 include/assimp/Exceptional.h
 include/assimp/Exporter.hpp
 include/assimp/GenericProperty.h
 include/assimp/GltfMaterial.h
 include/assimp/Hash.h
 include/assimp/IOStream.hpp
 include/assimp/IOStreamBuffer.h
 include/assimp/IOSystem.hpp
 include/assimp/Importer.hpp
 include/assimp/LineSplitter.h
 include/assimp/LogAux.h
 include/assimp/LogStream.hpp
 include/assimp/Logger.hpp
 include/assimp/MathFunctions.h
 include/assimp/MemoryIOWrapper.h
 include/assimp/NullLogger.hpp
 include/assimp/ParsingUtils.h
 include/assimp/Profiler.h
 include/assimp/ProgressHandler.hpp
 include/assimp/RemoveComments.h
 include/assimp/SGSpatialSort.h
 include/assimp/SceneCombiner.h
 include/assimp/SkeletonMeshBuilder.h
 include/assimp/SmallVector.h
 include/assimp/SmoothingGroups.h
 include/assimp/SmoothingGroups.inl
 include/assimp/SpatialSort.h
 include/assimp/StandardShapes.h
 include/assimp/StreamReader.h
 include/assimp/StreamWriter.h
 include/assimp/StringComparison.h
 include/assimp/StringUtils.h
 include/assimp/Subdivision.h
 include/assimp/TinyFormatter.h
 include/assimp/Vertex.h
 include/assimp/XMLTools.h
 include/assimp/XmlParser.h
 include/assimp/ZipArchiveIOSystem.h
 include/assimp/aabb.h
 include/assimp/ai_assert.h
 include/assimp/anim.h
 include/assimp/camera.h
 include/assimp/cexport.h
 include/assimp/cfileio.h
 include/assimp/cimport.h
 include/assimp/color4.h
 include/assimp/color4.inl
 include/assimp/commonMetaData.h
 include/assimp/config.h
 include/assimp/defs.h
 include/assimp/fast_atof.h
 include/assimp/importerdesc.h
 include/assimp/light.h
 include/assimp/material.h
 include/assimp/material.inl
 include/assimp/matrix3x3.h
 include/assimp/matrix3x3.inl
 include/assimp/matrix4x4.h
 include/assimp/matrix4x4.inl
 include/assimp/mesh.h
 include/assimp/metadata.h
 include/assimp/pbrmaterial.h
 include/assimp/postprocess.h
 include/assimp/qnan.h
 include/assimp/quaternion.h
 include/assimp/quaternion.inl
 include/assimp/scene.h
 include/assimp/texture.h
 include/assimp/types.h
 include/assimp/vector2.h
 include/assimp/vector2.inl
 include/assimp/vector3.h
 include/assimp/vector3.inl
 include/assimp/version.h
 lib/cmake/assimp-5.1/assimpConfig.cmake
 lib/cmake/assimp-5.1/assimpConfigVersion.cmake
 lib/cmake/assimp-5.1/assimpTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/assimp-5.1/assimpTargets.cmake
 lib/libassimp.so
 lib/libassimp.so.5
-lib/libassimp.so.5.1.3
+lib/libassimp.so.5.1.4
 libdata/pkgconfig/assimp.pc