diff --git a/srcpkgs/python-cryptography/template b/srcpkgs/python-cryptography/template
index bc76efbf320..abc066a1652 100644
--- a/srcpkgs/python-cryptography/template
+++ b/srcpkgs/python-cryptography/template
@@ -1,29 +1,32 @@
 # Template file for 'python-cryptography'
 pkgname=python-cryptography
-version=1.7.2
+version=1.8.1
 revision=1
 wrksrc="cryptography-${version}"
 build_style=python-module
 hostmakedepends="python-setuptools python3-setuptools libressl-devel
- python-enum34 python-ipaddress python-six python3-six python-pyasn1
- python3-pyasn1 python-cffi python3-cffi python-idna python3-idna"
+ python-enum34 python-ipaddress python-six python3-six python-asn1crypto
+ python3-asn1crypto python-cffi python3-cffi python-idna python3-idna"
 makedepends="libressl-devel python-devel python3-devel"
-depends="python-setuptools python-cffi python-pyasn1 python-six python-enum34
- python-idna python-ipaddress"
+depends="python-setuptools python-cffi python-asn1crypto python-six
+ python-enum34 python-idna python-ipaddress"
 pycompile_module="cryptography"
 short_desc="Python2 library that provides cryptographic recipes and primitives"
 maintainer="Alessio Sergi <al3hex@gmail.com>"
 homepage="https://github.com/pyca/cryptography"
 license="3-clause-BSD, Apache-2.0"
 distfiles="${PYPI_SITE}/c/cryptography/cryptography-${version}.tar.gz"
-checksum=878cb68b3da3d493ffd68f36db11c29deee623671d3287c3f8d685117ffda9a9
+checksum=323524312bb467565ebca7e50c8ae5e9674e544951d28a2904a50012a8828190
 
+pre_build() {
+	sed -i 's/packaging.version/pkg_resources.extern.\0/' src/cryptography/utils.py
+}
 post_install() {
 	vlicense LICENSE
 }
 
 python3-cryptography_package() {
-	depends="python3-setuptools python3-cffi python3-pyasn1
+	depends="python3-setuptools python3-cffi python3-asn1crypto
 	 python3-six python3-idna"
 	pycompile_module="cryptography"
 	replaces="python3.4-cryptography>=0"