diff --git a/dev-python/pytz_deprecation_shim/pytz_deprecation_shim-0.1.0_p0.ebuild b/dev-python/pytz_deprecation_shim/pytz_deprecation_shim-0.1.0_p0-r1.ebuild
similarity index 85%
rename from dev-python/pytz_deprecation_shim/pytz_deprecation_shim-0.1.0_p0.ebuild
rename to dev-python/pytz_deprecation_shim/pytz_deprecation_shim-0.1.0_p0-r1.ebuild
index cf95034b0cf2e..351a6c18c9a23 100644
--- a/dev-python/pytz_deprecation_shim/pytz_deprecation_shim-0.1.0_p0.ebuild
+++ b/dev-python/pytz_deprecation_shim/pytz_deprecation_shim-0.1.0_p0-r1.ebuild
@@ -19,10 +19,10 @@ SLOT="0"
 KEYWORDS="~amd64 ~arm64 ~x86"
 
 RDEPEND="
-	dev-python/pytzdata[${PYTHON_USEDEP}]
 	$(python_gen_cond_dep '
 		dev-python/backports-zoneinfo[${PYTHON_USEDEP}]
 	' python3_8 pypy3)
+	sys-libs/timezone-data
 "
 BDEPEND="
 	test? (
@@ -35,3 +35,9 @@ BDEPEND="
 distutils_enable_tests pytest
 distutils_enable_sphinx docs \
 	dev-python/sphinx_rtd_theme
+
+src_prepare() {
+	# apparently used only as a fallback
+	sed -i -e '/tzdata/d' setup.cfg || die
+	distutils-r1_src_prepare
+}