diff --git a/dev-python/icecream/icecream-2.1.3.ebuild b/dev-python/icecream/icecream-2.1.3.ebuild
index c00d306ea8..ccaf099cd8 100644
--- a/dev-python/icecream/icecream-2.1.3.ebuild
+++ b/dev-python/icecream/icecream-2.1.3.ebuild
@@ -1,10 +1,10 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{10..12} )
+PYTHON_COMPAT=( python3_{10..13} )
 inherit distutils-r1
 
 DESCRIPTION="Pythonic task execution"
@@ -21,14 +21,15 @@ RDEPEND="
 	>=dev-python/executing-0.3.1[${PYTHON_USEDEP}]
 	>=dev-python/asttokens-2.0.1[${PYTHON_USEDEP}]
 "
-DEPEND="${RDEPEND}"
 
-distutils_enable_tests pytest
-EPYTEST_DESELECT=(
-	# Seems like those cannot work in the sandbox
-	tests/test_icecream.py::TestIceCream::testEnableDisable
-	tests/test_icecream.py::TestIceCream::testSingledispatchArgumentToString
+distutils_enable_tests unittest
 
-	# This one fails on Python3.12 because it is outdated
-	tests/test_icecream.py::TestIceCream::testMultilineContainerArgs
-)
+python_prepare_all() {
+	# https://github.com/gruns/icecream/pull/147
+	sed -i 's/assertRegexpMatches/assertRegex/' tests/test_icecream.py || die
+	distutils-r1_python_prepare_all
+}
+
+python_test() {
+	eunittest tests
+}