diff --git a/sysutils/py-diffoscope/Makefile b/sysutils/py-diffoscope/Makefile
index ef13af468e29..94f9ef7a1386 100644
--- a/sysutils/py-diffoscope/Makefile
+++ b/sysutils/py-diffoscope/Makefile
@@ -1,31 +1,31 @@
 # Created by: Kubilay Kocak <koobs@FreeBSD.org>
 
 PORTNAME=	diffoscope
-PORTVERSION=	147
+PORTVERSION=	175
 CATEGORIES=	sysutils python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	koobs@FreeBSD.org
 COMMENT=	In-depth comparison of files, archives, and directories
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}libarchive-c>=0:archivers/py-libarchive-c@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}python-magic>=0:devel/py-python-magic@${PY_FLAVOR} \
 		gdiff:textproc/diffutils
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR} \
 		zipinfo:archivers/unzip \
 		isoinfo:sysutils/cdrkit \
 		rpm2cpio:archivers/rpm2cpio
 
-USES=		python:3.6+
+USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} -m pytest -v -rs -o addopts=
 
 .include <bsd.port.mk>
diff --git a/sysutils/py-diffoscope/distinfo b/sysutils/py-diffoscope/distinfo
index fcbbedb9d63e..8d32aced8f6e 100644
--- a/sysutils/py-diffoscope/distinfo
+++ b/sysutils/py-diffoscope/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1592225921
-SHA256 (diffoscope-147.tar.gz) = 5b5fdaa4d900c891b319e4b9a006eb16824a0b61fdbe15e75acbbe35602e2da6
-SIZE (diffoscope-147.tar.gz) = 1570418
+TIMESTAMP = 1621177362
+SHA256 (diffoscope-175.tar.gz) = b87481752815140e35088647ccdea13297e41a2d72772e842590360b662f7533
+SIZE (diffoscope-175.tar.gz) = 1590841
diff --git a/sysutils/py-diffoscope/files/patch-diffoscope_main.py b/sysutils/py-diffoscope/files/patch-diffoscope_main.py
deleted file mode 100644
index 246b2cac77b0..000000000000
--- a/sysutils/py-diffoscope/files/patch-diffoscope_main.py
+++ /dev/null
@@ -1,14 +0,0 @@
-# Add a patch from Mattia Rizzolo to prevent tests
-# from failing due to the no-tlsh-module warning.
-
---- diffoscope/main.py.orig	2020-06-11 11:45:39 UTC
-+++ diffoscope/main.py
-@@ -658,7 +658,7 @@ def run_diffoscope(parsed_args):
- 
-     ProfileManager().setup(parsed_args)
-     PresenterManager().configure(parsed_args)
--    if not tlsh:
-+    if not tlsh and "PYTEST_CURRENT_TEST" not in os.environ:
-         logger.warning(
-             'Fuzzy-matching is currently disabled as the "tlsh" module is unavailable.'
-         )