diff --git a/Make-webtest-an-optional-dependency.patch b/Make-webtest-an-optional-dependency.patch
new file mode 100644
index 0000000..dac556a
--- /dev/null
+++ b/Make-webtest-an-optional-dependency.patch
@@ -0,0 +1,36 @@
+From 903d77cb73bd6713279f1d9920f5f665293a26c2 Mon Sep 17 00:00:00 2001
+From: Robbie Harwood <rharwood@redhat.com>
+Date: Thu, 9 Aug 2018 14:57:56 -0400
+Subject: [PATCH] Make webtest an optional dependency
+
+Resolves: #38
+(cherry picked from commit c0bee88c60deb176d420d90447d24c370d70727a)
+---
+ tests.py | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/tests.py b/tests.py
+index 992529f..c2b1fc0 100644
+--- a/tests.py
++++ b/tests.py
+@@ -33,7 +33,11 @@ from dns.rdataclass import IN as RDCLASS_IN
+ from dns.rdatatype import SRV as RDTYPE_SRV
+ from dns.rdtypes.IN.SRV import SRV
+ 
+-from webtest import TestApp as WebTestApp
++try:
++    from webtest import TestApp as WebTestApp
++except ImportError:
++    print("webtest not installed!  Tests will be skipped")
++    WebTestApp = "skip"
+ 
+ import kdcproxy
+ from kdcproxy import codec
+@@ -45,6 +49,7 @@ HERE = os.path.dirname(os.path.abspath(__file__))
+ KRB5_CONFIG = os.path.join(HERE, 'tests.krb5.conf')
+ 
+ 
++@unittest.skipIf(WebTestApp == "skip", "webtest not installed")
+ class KDCProxyWSGITests(unittest.TestCase):
+     addrinfo = [
+         (2, 1, 6, '', ('128.66.0.2', 88)),
diff --git a/python-kdcproxy.spec b/python-kdcproxy.spec
index 5486335..205e82e 100644
--- a/python-kdcproxy.spec
+++ b/python-kdcproxy.spec
@@ -14,23 +14,23 @@
 
 Name:           python-%{realname}
 Version:        0.4
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        MS-KKDCP (kerberos proxy) WSGI module
 
 License:        MIT
 URL:            https://github.com/npmccallum/%{realname}
 Source0:        https://github.com/npmccallum/%{realname}/archive/%{realname}-%{version}.tar.gz
 
+Patch0:         Make-webtest-an-optional-dependency.patch
+
 BuildArch:      noarch
-BuildRequires:  /usr/bin/tox
 BuildRequires:  git
 
 %if 0%{?with_python2} > 0
 BuildRequires:  python2-devel
 BuildRequires:  python2-pytest
 BuildRequires:  python2-coverage
-BuildRequires:  python2-webtest
-BuildRequires:  python2-pyasn1
+BuildRequires:  python2-asn1crypto
 BuildRequires:  python2-dns
 BuildRequires:  python2-mock
 %endif
@@ -39,8 +39,7 @@ BuildRequires:  python2-mock
 BuildRequires:  python3-devel
 BuildRequires:  python3-pytest
 BuildRequires:  python3-coverage
-BuildRequires:  python3-webtest
-BuildRequires:  python3-pyasn1
+BuildRequires:  python3-asn1crypto
 BuildRequires:  python3-dns
 BuildRequires:  python3-mock
 %endif
@@ -55,7 +54,7 @@ minimal configuration.
 %package -n python2-%{realname}
 Summary:        MS-KKDCP (kerberos proxy) WSGI module
 Requires:       python2-dns
-Requires:       python2-pyasn1
+Requires:       python2-asn1crypto
 
 %{?python_provide:%python_provide python2-%{realname}}
 
@@ -69,7 +68,7 @@ minimal configuration.
 %package -n python3-%{realname}
 Summary:        MS-KKDCP (kerberos proxy) WSGI module
 Requires:       python3-dns
-Requires:       python3-pyasn1
+Requires:       python3-asn1crypto
 
 %{?python_provide:%python_provide python3-%{realname}}
 
@@ -100,9 +99,11 @@ minimal configuration.
 %endif
 
 %check
-%if 0%{?rhel} == 0
-# Ignore results due to https://github.com/latchset/kdcproxy/issues/35
-tox --sitepackages -e py%{python2_version_nodots},py%{python3_version_nodots} || :
+%if 0%{?with_python2} > 0
+KDCPROXY_ASN1MOD=asn1crypto %{__python2} -m pytest
+%endif
+%if 0%{?with_python3} > 0
+KDCPROXY_ASN1MOD=asn1crypto %{__python3} -m pytest
 %endif
 
 %if 0%{?with_python2} > 0
@@ -122,6 +123,9 @@ tox --sitepackages -e py%{python2_version_nodots},py%{python3_version_nodots} ||
 %endif
 
 %changelog
+* Thu Aug 09 2018 Robbie Harwood <rharwood@redhat.com> - 0.4-2
+- Update dependencies in test suite
+
 * Thu Aug 09 2018 Robbie Harwood <rharwood@redhat.com> - 0.4-1
 - New upstream release - 0.4
 - Port to autosetup