diff --git a/dev-python/kicad-python/kicad-python-0.5.0-r1.ebuild b/dev-python/kicad-python/kicad-python-0.5.0-r1.ebuild
index 32219b36cf..2bf3fddcdc 100644
--- a/dev-python/kicad-python/kicad-python-0.5.0-r1.ebuild
+++ b/dev-python/kicad-python/kicad-python-0.5.0-r1.ebuild
@@ -44,8 +44,9 @@ KEYWORDS="~amd64"
 RESTRICT="test"
 
 # Regenerate protobuf files at build time to match system protobuf version
+# Use := slot operator to trigger rebuild when protobuf is upgraded
 RDEPEND="
-	>=dev-python/protobuf-5.29[${PYTHON_USEDEP}]
+	>=dev-python/protobuf-5.29:=[${PYTHON_USEDEP}]
 	>=dev-python/pynng-0.8.0[${PYTHON_USEDEP}]
 	<dev-python/pynng-0.9.0[${PYTHON_USEDEP}]
 	$(python_gen_cond_dep '
diff --git a/dev-python/kicad-python/kicad-python-0.5.0.ebuild b/dev-python/kicad-python/kicad-python-0.5.0.ebuild
deleted file mode 100644
index 98cdac326f..0000000000
--- a/dev-python/kicad-python/kicad-python-0.5.0.ebuild
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-DISTUTILS_USE_PEP517=poetry
-PYTHON_COMPAT=( python3_{10..14} )
-inherit distutils-r1 pypi
-
-DESCRIPTION="KiCad API Python Bindings for interacting with running KiCad sessions"
-HOMEPAGE="https://gitlab.com/kicad/code/kicad-python https://pypi.org/project/kicad-python"
-
-LICENSE="MIT"
-SLOT=0
-KEYWORDS="~amd64"
-
-# Tests not included in PyPI sdist
-RESTRICT="test"
-
-RDEPEND="
-	>=dev-python/protobuf-5.29[${PYTHON_USEDEP}]
-	<dev-python/protobuf-6[${PYTHON_USEDEP}]
-	>=dev-python/pynng-0.8.0[${PYTHON_USEDEP}]
-	<dev-python/pynng-0.9.0[${PYTHON_USEDEP}]
-	$(python_gen_cond_dep '
-		>=dev-python/typing-extensions-4.13.2[${PYTHON_USEDEP}]
-	' python3_{10..12})
-"
-BDEPEND="${RDEPEND}"
-
-src_prepare() {
-	# Remove build script config from pyproject.toml
-	# The sdist already contains pre-generated protobuf files
-	sed -i '/\[tool.poetry.build\]/,/^$/d' pyproject.toml || die
-	rm -f setup.py build.py || die
-	distutils-r1_src_prepare
-}