diff --git a/fix-expectations-pytest-4.6.3.patch b/fix-expectations-pytest-4.6.3.patch
new file mode 100644
index 0000000..f38a52f
--- /dev/null
+++ b/fix-expectations-pytest-4.6.3.patch
@@ -0,0 +1,46 @@
+From 970e4b1f8cfd6bd750b4c8240efad378cbf049c2 Mon Sep 17 00:00:00 2001
+From: Bruno Oliveira <nicoddemus@gmail.com>
+Date: Mon, 1 Jul 2019 19:31:36 -0300
+Subject: [PATCH] Fix tests expectations with latest pytest
+
+Fix #149
+---
+ test_pytest_mock.py | 2 +-
+ tox.ini             | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/test_pytest_mock.py b/test_pytest_mock.py
+index 562ff0c..cdc04fe 100644
+--- a/test_pytest_mock.py
++++ b/test_pytest_mock.py
+@@ -639,7 +639,7 @@ def test(mocker):
+         "*Use -v to get the full diff*",
+         "*Kwargs:*",
+         "*assert {} == {'bar': 4}*",
+-        "*Right contains more items:*",
++        "*Right contains* more item*",
+         "*{'bar': 4}*",
+         "*Use -v to get the full diff*",
+     ]
+diff --git a/tox.ini b/tox.ini
+index 427b25f..98117bf 100644
+--- a/tox.ini
++++ b/tox.ini
+@@ -10,7 +10,7 @@ commands =
+ 
+ [testenv:norewrite]
+ commands =
+-    pytest test_pytest_mock.py --assert=plain -ra
++    pytest test_pytest_mock.py --assert=plain
+ 
+ [testenv:linting]
+ skipsdist = True
+@@ -20,7 +20,7 @@ basepython = python3.6
+ commands = pre-commit run --all-files --show-diff-on-failure
+ 
+ [pytest]
+-addopts = -ra
++addopts = -r a
+ 
+ [flake8]
+ max-line-length = 88
diff --git a/python-pytest-mock.spec b/python-pytest-mock.spec
index c3d3250..65d19dd 100644
--- a/python-pytest-mock.spec
+++ b/python-pytest-mock.spec
@@ -7,13 +7,15 @@ to worry about undoing patches at the end of a test.
 
 Name:           python-%{pypi_name}
 Version:        1.10.4
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Thin-wrapper around the mock package for easier use with py.test
 
 License:        MIT
 URL:            https://pypi.python.org/pypi/pytest-mock
 Source0:        https://files.pythonhosted.org/packages/source/p/pytest-mock/pytest-mock-%{version}.tar.gz
 BuildArch:      noarch
+# Fix tests expectations with latest pytest (4.6.3+)
+Patch0:         fix-expectations-pytest-4.6.3.patch
 
 %description
 %{desc}
@@ -50,6 +52,7 @@ Requires:       python3-pytest >= 2.7
 %prep
 %setup -qn %{pypi_name}-%{version}
 rm -rf *.egg-info
+%patch0 -p1
 
 # Correct end of line encoding for README
 sed -i 's/\r$//' README.rst
@@ -89,6 +92,9 @@ PYTHONPATH="$(pwd)" py.test-%{python3_version} test_pytest_mock.py
 
 
 %changelog
+* Thu Jul 30 2019 Julien Enselme <jujens@jujens.eu> - 1.10.4-3
+- Fix build issues with pytest 4.6.3
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.10.4-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild