diff --git a/devel/py-optree/Makefile b/devel/py-optree/Makefile
index 70c8ccadb719..ecb329492d8a 100644
--- a/devel/py-optree/Makefile
+++ b/devel/py-optree/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	optree
-PORTVERSION=	0.14.1
+PORTVERSION=	0.15.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
diff --git a/devel/py-optree/distinfo b/devel/py-optree/distinfo
index 05370d537de4..2cb505f7912e 100644
--- a/devel/py-optree/distinfo
+++ b/devel/py-optree/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1742070384
-SHA256 (optree-0.14.1.tar.gz) = c011c6124d6dcbfceade2d7c4f836eab66ed8cf9ab12f94535b41a71dd734637
-SIZE (optree-0.14.1.tar.gz) = 163095
+TIMESTAMP = 1744288932
+SHA256 (optree-0.15.0.tar.gz) = d00a45e3b192093ef2cd32bf0d541ecbfc93c1bd73a5f3fe36293499f28a50cf
+SIZE (optree-0.15.0.tar.gz) = 171403
diff --git a/devel/py-optree/files/patch-setup.py b/devel/py-optree/files/patch-setup.py
index a9578019698a..57005e73ef45 100644
--- a/devel/py-optree/files/patch-setup.py
+++ b/devel/py-optree/files/patch-setup.py
@@ -1,6 +1,6 @@
---- setup.py.orig	2025-03-01 19:39:44 UTC
+--- setup.py.orig	2025-04-06 13:55:44 UTC
 +++ setup.py
-@@ -119,10 +119,6 @@ class cmake_build_ext(build_ext):  # noqa: N801
+@@ -211,10 +211,6 @@ class cmake_build_ext(build_ext):  # noqa: N801
                  cmake_args.append(f'-Dpybind11_DIR={pybind11.get_cmake_dir()}')
  
          build_args = ['--config', config]
@@ -11,12 +11,3 @@
  
          build_args.extend(['--target', ext.target, '--'])
  
-@@ -138,7 +134,7 @@ class cmake_build_ext(build_ext):  # noqa: N801
-             with unset_python_path():
-                 self.spawn([cmake, '--version'])  # cmake in the parent virtual environment
- 
--        self.mkpath(build_temp)
-+        self.mkpath(str(build_temp))
-         with spawn_context():
-             self.spawn([cmake, '-S', str(ext.source_dir), '-B', str(build_temp), *cmake_args])
-             self.spawn([cmake, '--build', str(build_temp), *build_args])