diff --git a/multimedia/opentimelineio/Makefile b/multimedia/opentimelineio/Makefile
index aa8c18be5507..999ab6a6b449 100644
--- a/multimedia/opentimelineio/Makefile
+++ b/multimedia/opentimelineio/Makefile
@@ -1,28 +1,30 @@
 PORTNAME=	opentimelineio
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.18.0
+DISTVERSION=	0.18.1
 CATEGORIES=	multimedia
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	API and interchange format for editorial timeline information
-WWW=		https://github.com/PixarAnimationStudios/OpenTimelineIO
+WWW=		https://github.com/AcademySoftwareFoundation/OpenTimelineIO
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${LOCALBASE}/include/rapidjson/rapidjson.h:devel/rapidjson
 LIB_DEPENDS=	libImath.so:math/Imath
 
 USES=		cmake:testing compiler:c++14-lang
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
-GH_ACCOUNT=	PixarAnimationStudios
+GH_ACCOUNT=	AcademySoftwareFoundation
 GH_PROJECT=	OpenTimelineIO
 
 CMAKE_ON=	OTIO_FIND_IMATH OTIO_FIND_RAPIDJSON
 CMAKE_OFF=	OTIO_DEPENDENCIES_INSTALL
 
 PORTSCOUT=	limit:^.*[0-9]$$ # should end with a digit to prevent tags like last_pure_python
 
+# tests as of 0.18.1: 100% tests passed, 9/9
+
 .include <bsd.port.mk>
diff --git a/multimedia/opentimelineio/distinfo b/multimedia/opentimelineio/distinfo
index e1ef423c5196..318a6b7aa10f 100644
--- a/multimedia/opentimelineio/distinfo
+++ b/multimedia/opentimelineio/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1762595738
-SHA256 (PixarAnimationStudios-OpenTimelineIO-v0.18.0_GH0.tar.gz) = 746854490ee1d6bfb3071027afac8cdb5c477140011be2473d26e9b724cc6283
-SIZE (PixarAnimationStudios-OpenTimelineIO-v0.18.0_GH0.tar.gz) = 1622822
+TIMESTAMP = 1788794387
+SHA256 (AcademySoftwareFoundation-OpenTimelineIO-v0.18.1_GH0.tar.gz) = bcb516a43a962dac0cde3e1f9da634c1fd409915d499ff8f3ce6f738a4637d72
+SIZE (AcademySoftwareFoundation-OpenTimelineIO-v0.18.1_GH0.tar.gz) = 1622906
diff --git a/multimedia/opentimelineio/pkg-plist b/multimedia/opentimelineio/pkg-plist
index 4d693be2da4c..f2501c4084e2 100644
--- a/multimedia/opentimelineio/pkg-plist
+++ b/multimedia/opentimelineio/pkg-plist
@@ -1,56 +1,56 @@
 include/opentime/errorStatus.h
 include/opentime/export.h
 include/opentime/rationalTime.h
 include/opentime/stringPrintf.h
 include/opentime/timeRange.h
 include/opentime/timeTransform.h
 include/opentime/version.h
 include/opentimelineio/anyDictionary.h
 include/opentimelineio/anyVector.h
 include/opentimelineio/clip.h
 include/opentimelineio/color.h
 include/opentimelineio/composable.h
 include/opentimelineio/composition.h
 include/opentimelineio/deserialization.h
 include/opentimelineio/editAlgorithm.h
 include/opentimelineio/effect.h
 include/opentimelineio/errorStatus.h
 include/opentimelineio/export.h
 include/opentimelineio/externalReference.h
 include/opentimelineio/freezeFrame.h
 include/opentimelineio/gap.h
 include/opentimelineio/generatorReference.h
 include/opentimelineio/imageSequenceReference.h
 include/opentimelineio/item.h
 include/opentimelineio/linearTimeWarp.h
 include/opentimelineio/marker.h
 include/opentimelineio/mediaReference.h
 include/opentimelineio/missingReference.h
 include/opentimelineio/safely_typed_any.h
 include/opentimelineio/serializableCollection.h
 include/opentimelineio/serializableObject.h
 include/opentimelineio/serializableObjectWithMetadata.h
 include/opentimelineio/serialization.h
 include/opentimelineio/stack.h
 include/opentimelineio/stackAlgorithm.h
 include/opentimelineio/timeEffect.h
 include/opentimelineio/timeline.h
 include/opentimelineio/track.h
 include/opentimelineio/trackAlgorithm.h
 include/opentimelineio/transition.h
 include/opentimelineio/typeRegistry.h
 include/opentimelineio/unknownSchema.h
 include/opentimelineio/vectorIndexing.h
 include/opentimelineio/version.h
 lib/libopentime.so
-lib/libopentime.so.0.18.0
+lib/libopentime.so.0.18.1
 lib/libopentime.so.18
 lib/libopentimelineio.so
-lib/libopentimelineio.so.0.18.0
+lib/libopentimelineio.so.0.18.1
 lib/libopentimelineio.so.18
 share/opentime/OpenTimeConfig.cmake
 share/opentime/OpenTimeTargets-%%CMAKE_BUILD_TYPE%%.cmake
 share/opentime/OpenTimeTargets.cmake
 %%DATADIR%%/OpenTimelineIOConfig.cmake
 %%DATADIR%%/OpenTimelineIOTargets-%%CMAKE_BUILD_TYPE%%.cmake
 %%DATADIR%%/OpenTimelineIOTargets.cmake