diff --git a/science/py-icet/Makefile b/science/py-icet/Makefile
index b5a2b9177d5c..2a01864fa3b9 100644
--- a/science/py-icet/Makefile
+++ b/science/py-icet/Makefile
@@ -1,41 +1,40 @@
 PORTNAME=	icet
-DISTVERSION=	3.0
-PORTREVISION=	1
+DISTVERSION=	3.1
 CATEGORIES=	science # chemistry, physics
 #MASTER_SITES=	PYPI # no tests
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Pythonic approach to alloy cluster expansions
 WWW=		https://icet.materialsmodeling.org \
 		https://gitlab.com/materials-modeling/icet
 
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PY_SETUPTOOLS} \
 		${PYTHON_PKGNAMEPREFIX}pybind11>0:devel/py-pybind11@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}ase>0:science/py-ase@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numba>0:devel/py-numba@${PY_FLAVOR} \
 		${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}pandas>=0.23:math/py-pandas@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}spglib>=1.12.0:science/py-spglib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}trainstation>=1.1:science/py-trainstation@${PY_FLAVOR}
 
 USES=		compiler:c++14-lang python
 USE_PYTHON=	pep517 autoplist pytest
 
 USE_GITLAB=	yes
 GL_ACCOUNT=	materials-modeling
-GL_TAGNAME=	769b5db248baa5146bdb294e963e061cf2dfd228
+GL_TAGNAME=	3.1
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/_icet.cpython-311.so
 
 # tests fail to run, see https://gitlab.com/materials-modeling/icet/-/issues/623
 
 .include <bsd.port.mk>
diff --git a/science/py-icet/distinfo b/science/py-icet/distinfo
index bcff29135073..27b719b500bf 100644
--- a/science/py-icet/distinfo
+++ b/science/py-icet/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1737766451
-SHA256 (materials-modeling-icet-769b5db248baa5146bdb294e963e061cf2dfd228_GL0.tar.gz) = bec8c2a34bc8343e7e075460964c997228a1a8fe1a12ba449503c7e80b2b653a
-SIZE (materials-modeling-icet-769b5db248baa5146bdb294e963e061cf2dfd228_GL0.tar.gz) = 3928095
+TIMESTAMP = 1758905344
+SHA256 (icet-3.1.tar.bz2) = b942fa3001fd53095cca9e19f4fdcea7c3716a69cf0bb2f4e735c8b997f1de5b
+SIZE (icet-3.1.tar.bz2) = 3740838
diff --git a/science/py-icet/files/patch-pyproject.toml b/science/py-icet/files/patch-pyproject.toml
new file mode 100644
index 000000000000..f1953b314896
--- /dev/null
+++ b/science/py-icet/files/patch-pyproject.toml
@@ -0,0 +1,10 @@
+--- pyproject.toml.orig	2025-09-28 03:59:57 UTC
++++ pyproject.toml
+@@ -1,6 +1,6 @@ requires = [
+ [build-system]
+ requires = [
+-    "setuptools>=77.0",
++    "setuptools",
+     "wheel",
+     "pybind11>=2.10",
+ ]