diff --git a/cryptography-1.7.2.tar.gz b/cryptography-1.7.2.tar.gz
deleted file mode 100644
index d2a56b2..0000000
--- a/cryptography-1.7.2.tar.gz
+++ /dev/null
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new file mode 100644
index 0000000..a57dfbb
--- /dev/null
+++ b/cryptography-1.8.1.tar.gz
@@ -0,0 +1,3 @@
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+size 423560
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new file mode 100644
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diff --git a/cryptography_vectors-1.7.2.tar.gz b/cryptography_vectors-1.7.2.tar.gz
deleted file mode 100644
index 75c7794..0000000
--- a/cryptography_vectors-1.7.2.tar.gz
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deleted file mode 100644
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new file mode 100644
index 0000000..8a4567d
--- /dev/null
+++ b/cryptography_vectors-1.8.1.tar.gz
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new file mode 100644
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diff --git a/python-cryptography.changes b/python-cryptography.changes
index bb062f1..d02e519 100644
--- a/python-cryptography.changes
+++ b/python-cryptography.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Mar 16 14:13:56 UTC 2017 - tbechtold@suse.com
+
+- update to 1.8.1
+- Adust Requires and BuildRequires
+
 -------------------------------------------------------------------
 Sun Jan 29 14:57:28 UTC 2017 - michael@stroeder.com
 
diff --git a/python-cryptography.spec b/python-cryptography.spec
index f67de63..7924646 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-cryptography
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,7 +17,7 @@
 
 
 Name:           python-cryptography
-Version:        1.7.2
+Version:        1.8.1
 Release:        0
 Summary:        Python library which exposes cryptographic recipes and primitives
 License:        Apache-2.0 or BSD-3-Clause
@@ -33,10 +33,11 @@ Patch1:         disable-uneven-sizes-tests.patch
 
 BuildRequires:  libopenssl-devel
 BuildRequires:  pkg-config
-BuildRequires:  python-cffi >= 1.1.0
+BuildRequires:  python-asn1crypto >= 0.21.0
+BuildRequires:  python-cffi >= 1.4.1
 BuildRequires:  python-devel
 BuildRequires:  python-enum34
-BuildRequires:  python-idna >= 2.0
+BuildRequires:  python-idna >= 2.1
 BuildRequires:  python-ipaddress
 BuildRequires:  python-pyasn1-modules
 BuildRequires:  python-setuptools >= 11.3
@@ -55,8 +56,9 @@ BuildRequires:  python-pyasn1 >= 0.1.8
 BuildRequires:  python-pytest
 BuildRequires:  python-virtualenv
 %requires_eq    python-cffi
+Requires:       python-asn1crypto >= 0.21.0
 Requires:       python-enum34
-Requires:       python-idna >= 2.0
+Requires:       python-idna >= 2.1
 Requires:       python-ipaddress
 Requires:       python-pyasn1 >= 0.1.8
 Requires:       python-setuptools >= 11.3