diff --git a/devel/flatcc/Makefile b/devel/flatcc/Makefile
index e104b3beec6e..9f46edf6498e 100644
--- a/devel/flatcc/Makefile
+++ b/devel/flatcc/Makefile
@@ -1,31 +1,33 @@
 PORTNAME=	flatcc
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.6.1
+DISTVERSION=	0.6.3
 CATEGORIES=	devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	FlatBuffers compiler and library in C for C
 WWW=		https://github.com/dvidelabs/flatcc
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake compiler:c++11-lib cpe
 CPE_VENDOR=	flatcc_project
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	dvidelabs
 
 CMAKE_ON=	BUILD_SHARED_LIBS FLATCC_INSTALL
 CMAKE_OFF=	FLATCC_TEST FLATCC_ALLOW_WERROR
 
 PLIST_SUB=	SUFFIX=${WITH_DEBUG:D_d}
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DFLATCC_TEST:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
+# tests as of 0.6.3: 100% tests passed, 0 tests failed out of 23
+
 .include <bsd.port.mk>
diff --git a/devel/flatcc/distinfo b/devel/flatcc/distinfo
index a4bfe5bda180..327bd8c07c03 100644
--- a/devel/flatcc/distinfo
+++ b/devel/flatcc/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1653332675
-SHA256 (dvidelabs-flatcc-v0.6.1_GH0.tar.gz) = 2533c2f1061498499f15acc7e0937dcf35bc68e685d237325124ae0d6c600c2b
-SIZE (dvidelabs-flatcc-v0.6.1_GH0.tar.gz) = 530002
+TIMESTAMP = 1785389820
+SHA256 (dvidelabs-flatcc-v0.6.3_GH0.tar.gz) = 29db48a025bda2dd79399fc36f1d26516343414c0cf7d0b751b8add6b2e6181b
+SIZE (dvidelabs-flatcc-v0.6.3_GH0.tar.gz) = 600996
diff --git a/devel/flatcc/pkg-plist b/devel/flatcc/pkg-plist
index 4cc9872d5663..94f8f29d17b3 100644
--- a/devel/flatcc/pkg-plist
+++ b/devel/flatcc/pkg-plist
@@ -1,71 +1,73 @@
 bin/flatcc%%SUFFIX%%
 include/flatcc/flatcc.h
 include/flatcc/flatcc_accessors.h
 include/flatcc/flatcc_alloc.h
 include/flatcc/flatcc_assert.h
 include/flatcc/flatcc_builder.h
 include/flatcc/flatcc_emitter.h
 include/flatcc/flatcc_endian.h
 include/flatcc/flatcc_epilogue.h
 include/flatcc/flatcc_flatbuffers.h
 include/flatcc/flatcc_identifier.h
 include/flatcc/flatcc_iov.h
 include/flatcc/flatcc_json_parser.h
 include/flatcc/flatcc_json_printer.h
 include/flatcc/flatcc_portable.h
 include/flatcc/flatcc_prologue.h
 include/flatcc/flatcc_refmap.h
 include/flatcc/flatcc_rtconfig.h
 include/flatcc/flatcc_types.h
 include/flatcc/flatcc_unaligned.h
 include/flatcc/flatcc_verifier.h
 include/flatcc/flatcc_version.h
 include/flatcc/portable/LICENSE
 include/flatcc/portable/README.md
 include/flatcc/portable/grisu3_math.h
 include/flatcc/portable/grisu3_parse.h
 include/flatcc/portable/grisu3_print.h
 include/flatcc/portable/include/README
 include/flatcc/portable/include/linux/endian.h
 include/flatcc/portable/include/std/inttypes.h
 include/flatcc/portable/include/std/stdalign.h
 include/flatcc/portable/include/std/stdbool.h
 include/flatcc/portable/include/std/stdint.h
 include/flatcc/portable/paligned_alloc.h
 include/flatcc/portable/pattributes.h
 include/flatcc/portable/pbase64.h
 include/flatcc/portable/pcrt.h
 include/flatcc/portable/pdiagnostic.h
 include/flatcc/portable/pdiagnostic_pop.h
 include/flatcc/portable/pdiagnostic_push.h
 include/flatcc/portable/pendian.h
 include/flatcc/portable/pendian_detect.h
 include/flatcc/portable/pinline.h
 include/flatcc/portable/pinttypes.h
+include/flatcc/portable/pmemaccess.h
 include/flatcc/portable/portable.h
 include/flatcc/portable/portable_basic.h
 include/flatcc/portable/pparsefp.h
 include/flatcc/portable/pparseint.h
 include/flatcc/portable/pprintfp.h
 include/flatcc/portable/pprintint.h
+include/flatcc/portable/prestrict.h
 include/flatcc/portable/pstatic_assert.h
 include/flatcc/portable/pstatic_assert_scope.h
 include/flatcc/portable/pstdalign.h
 include/flatcc/portable/pstdbool.h
 include/flatcc/portable/pstdint.h
 include/flatcc/portable/punaligned.h
 include/flatcc/portable/pversion.h
 include/flatcc/portable/pwarnings.h
 include/flatcc/reflection/README
 include/flatcc/reflection/flatbuffers_common_builder.h
 include/flatcc/reflection/flatbuffers_common_reader.h
 include/flatcc/reflection/reflection_builder.h
 include/flatcc/reflection/reflection_reader.h
 include/flatcc/reflection/reflection_verifier.h
 include/flatcc/support/README
 include/flatcc/support/cdump.h
 include/flatcc/support/elapsed.h
 include/flatcc/support/hexdump.h
 include/flatcc/support/readfile.h
 lib/libflatcc%%SUFFIX%%.so
 lib/libflatccrt%%SUFFIX%%.so