diff --git a/pyOpenSSL-0.14-crl-digest.patch b/pyOpenSSL-0.14-crl-digest.patch
new file mode 100644
index 0000000..7b3f59b
--- /dev/null
+++ b/pyOpenSSL-0.14-crl-digest.patch
@@ -0,0 +1,47 @@
+commit 2923dc0f475e0d1a7893c7ca264c95c75f8ba9dd
+Author: Bulat Gaifullin <gaifullinbf@gmail.com>
+Date:   Sun Sep 21 22:36:48 2014 +0400
+
+    added parameter digest to select digest algorithm for CRL
+
+diff --git a/OpenSSL/crypto.py b/OpenSSL/crypto.py
+index 313a30a..efa1d91 100644
+--- a/OpenSSL/crypto.py
++++ b/OpenSSL/crypto.py
+@@ -1707,7 +1707,7 @@ class CRL(object):
+             _raise_current_error()
+ 
+ 
+-    def export(self, cert, key, type=FILETYPE_PEM, days=100):
++    def export(self, cert, key, type=FILETYPE_PEM, days=100, digest="sha1"):
+         """
+         export a CRL as a string
+ 
+@@ -1721,6 +1721,7 @@ class CRL(object):
+ 
+         :param days: The number of days until the next update of this CRL.
+         :type days: :py:data:`int`
++        :param digest: The message digest to use
+ 
+         :return: :py:data:`str`
+         """
+@@ -1731,6 +1732,10 @@ class CRL(object):
+         if not isinstance(type, int):
+             raise TypeError("type must be an integer")
+ 
++        digest_obj = _lib.EVP_get_digestbyname(_byte_string(digest))
++        if digest_obj == _ffi.NULL:
++            raise ValueError("No such digest method")
++
+         bio = _lib.BIO_new(_lib.BIO_s_mem())
+         if bio == _ffi.NULL:
+             # TODO: This is untested.
+@@ -1750,7 +1755,7 @@ class CRL(object):
+ 
+         _lib.X509_CRL_set_issuer_name(self._crl, _lib.X509_get_subject_name(cert._x509))
+ 
+-        sign_result = _lib.X509_CRL_sign(self._crl, key._pkey, _lib.EVP_md5())
++        sign_result = _lib.X509_CRL_sign(self._crl, key._pkey, digest_obj)
+         if not sign_result:
+             _raise_current_error()
+ 
diff --git a/pyOpenSSL.spec b/pyOpenSSL.spec
index e0297bc..4c1eeb2 100644
--- a/pyOpenSSL.spec
+++ b/pyOpenSSL.spec
@@ -5,8 +5,10 @@
 Summary: Python wrapper module around the OpenSSL library
 Name: pyOpenSSL
 Version: 0.14
-Release: 3%{?dist}
+Release: 4%{?dist}
 Source0: http://pypi.python.org/packages/source/p/pyOpenSSL/pyOpenSSL-%{version}.tar.gz
+# The patch is included upstream except we use sha1 by default instead of md5
+Patch1: pyOpenSSL-0.14-crl-digest.patch
 
 BuildArch: noarch
 License: ASL 2.0
@@ -54,6 +56,8 @@ Documentation for pyOpenSSL
 %prep
 %setup -q -n pyOpenSSL-%{version}
 
+%patch1 -p1 -b .digest
+
 %build
 %if 0%{?with_python3}
 rm -rf %{py3dir}
@@ -96,6 +100,9 @@ popd
 %doc examples doc/_build/html
 
 %changelog
+* Thu May 14 2015 Tomáš Mráz <tmraz@redhat.com> - 0.14-4
+- allow changing the digest used when exporting CRL and use SHA1 by default
+
 * Fri Jan 30 2015 Miro Hrončok <mhroncok@redhat.com> - 0.14-3
 - Fix bogus requires (python3-cryptography should belong to python3-pyOpenSSL)