diff --git a/python-certbot-nginx-remove-mock-runtime-dependency.patch b/python-certbot-nginx-remove-mock-runtime-dependency.patch
new file mode 100644
index 0000000..52be677
--- /dev/null
+++ b/python-certbot-nginx-remove-mock-runtime-dependency.patch
@@ -0,0 +1,12 @@
+diff --git a/setup.py b/setup.py
+index dc50f5c..7b9b15e 100644
+--- a/setup.py
++++ b/setup.py
+@@ -11,7 +11,6 @@ version = '1.2.0'
+ install_requires = [
+     'acme>=1.0.0',
+     'certbot>=1.1.0',
+-    'mock',
+     'PyOpenSSL',
+     'pyparsing>=1.5.5',  # Python3 support; perhaps unnecessary?
+     'setuptools',
diff --git a/python-certbot-nginx.spec b/python-certbot-nginx.spec
index 328bcbb..e4d24b4 100644
--- a/python-certbot-nginx.spec
+++ b/python-certbot-nginx.spec
@@ -27,6 +27,8 @@ Source1:        %{pypi_source}.asc
 #   gpg2 --export --export-options export-minimal A2CFB51FA275A7286234E7B24D17C995CD9775F2 > gpg-A2CFB51FA275A7286234E7B24D17C995CD9775F2.gpg
 Source2:        gpg-A2CFB51FA275A7286234E7B24D17C995CD9775F2.gpg
 
+Patch0:     %{name}-remove-mock-runtime-dependency.patch
+
 BuildArch:      noarch
 
 %if %{with python2}