diff --git a/net/py-s3transfer/Makefile b/net/py-s3transfer/Makefile
index b67c55568c7c..6e709f175178 100644
--- a/net/py-s3transfer/Makefile
+++ b/net/py-s3transfer/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	s3transfer
-PORTVERSION=	0.3.7
+PORTVERSION=	0.4.0
 CATEGORIES=	net python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	bhughes@FreeBSD.org
 COMMENT=	Amazon S3 Transfer Manager for Python
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}botocore>=1.12.36:devel/py-botocore@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}nose>=1.3.3:devel/py-nose@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mock>=1.3.0:devel/py-mock@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
 # setup.py test runs integration tests which fail
 # https://github.com/boto/s3transfer/issues/41
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} -m nose -v tests/unit tests/functional
 
 .include <bsd.port.mk>
diff --git a/net/py-s3transfer/distinfo b/net/py-s3transfer/distinfo
index f4d2c7eb813a..2875a72b6c63 100644
--- a/net/py-s3transfer/distinfo
+++ b/net/py-s3transfer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1618609183
-SHA256 (s3transfer-0.3.7.tar.gz) = 35627b86af8ff97e7ac27975fe0a98a312814b46c6333d8a6b889627bcd80994
-SIZE (s3transfer-0.3.7.tar.gz) = 120311
+TIMESTAMP = 1618860734
+SHA256 (s3transfer-0.4.0.tar.gz) = f3dfd791cad2799403e3c8051810a7ca6ee1d2e630e5d2a8f9649d892bdb3db6
+SIZE (s3transfer-0.4.0.tar.gz) = 129231