diff --git a/devel/py-ttkbootstrap/Makefile b/devel/py-ttkbootstrap/Makefile
index f004a0bc501a..65f6d95bb602 100644
--- a/devel/py-ttkbootstrap/Makefile
+++ b/devel/py-ttkbootstrap/Makefile
@@ -1,24 +1,29 @@
 PORTNAME=	ttkbootstrap
-DISTVERSION=	1.14.2
-PORTREVISION=	1
+DISTVERSION=	1.20.0
+PORTREVISION=	0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	nivit@FreeBSD.org
 COMMENT=	Flat style theme extension for Python Tkinter
 WWW=		https://ttkbootstrap.readthedocs.io/en/latest/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0.61.0:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0.45.1:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pillow>=8.2.0:graphics/py-pillow@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
+post-patch:
+	@${REINPLACE_CMD} -E \
+		-e 's/^(license = )("[^"]+")/\1{ text = \2 }/1' \
+		${WRKSRC}/pyproject.toml
+
 .include <bsd.port.mk>
diff --git a/devel/py-ttkbootstrap/distinfo b/devel/py-ttkbootstrap/distinfo
index 4e08a1155d8c..30596409b748 100644
--- a/devel/py-ttkbootstrap/distinfo
+++ b/devel/py-ttkbootstrap/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1754206174
-SHA256 (ttkbootstrap-1.14.2.tar.gz) = aae7885211bdeb134c8af07b0c67c89a50d7997b116199068271ed99b55bc530
-SIZE (ttkbootstrap-1.14.2.tar.gz) = 144296
+TIMESTAMP = 1768395708
+SHA256 (ttkbootstrap-1.20.0.tar.gz) = 465b64656c919ab4fd501e773795f0c6b57507ea05e97c0fda5665df070e66a5
+SIZE (ttkbootstrap-1.20.0.tar.gz) = 175170