diff --git a/ghc-x509.changes b/ghc-x509.changes
index 80bb700..a6a3b10 100644
--- a/ghc-x509.changes
+++ b/ghc-x509.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon May 14 17:02:11 UTC 2018 - psimons@suse.com
+
+- Update x509 to version 1.7.3 revision 1.
+  Upstream does not provide a changelog.
+
 -------------------------------------------------------------------
 Thu Jul 27 14:07:19 UTC 2017 - psimons@suse.com
 
diff --git a/ghc-x509.spec b/ghc-x509.spec
index a434e87..0b02257 100644
--- a/ghc-x509.spec
+++ b/ghc-x509.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-x509
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 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
@@ -19,13 +19,14 @@
 %global pkg_name x509
 %bcond_with tests
 Name:           ghc-%{pkg_name}
-Version:        1.7.1
+Version:        1.7.3
 Release:        0
 Summary:        X509 reader and writer
 License:        BSD-3-Clause
-Group:          Development/Languages/Other
-Url:            https://hackage.haskell.org/package/%{pkg_name}
+Group:          Development/Libraries/Haskell
+URL:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/1.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-asn1-encoding-devel
 BuildRequires:  ghc-asn1-parse-devel
@@ -38,7 +39,6 @@ BuildRequires:  ghc-memory-devel
 BuildRequires:  ghc-mtl-devel
 BuildRequires:  ghc-pem-devel
 BuildRequires:  ghc-rpm-macros
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %if %{with tests}
 BuildRequires:  ghc-tasty-devel
 BuildRequires:  ghc-tasty-quickcheck-devel
@@ -49,7 +49,7 @@ X509 reader and writer.
 
 %package devel
 Summary:        Haskell %{pkg_name} library development files
-Group:          Development/Libraries/Other
+Group:          Development/Libraries/Haskell
 Requires:       %{name} = %{version}-%{release}
 Requires:       ghc-compiler = %{ghc_version}
 Requires(post): ghc-compiler = %{ghc_version}
@@ -60,6 +60,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
+cp -p %{SOURCE1} %{pkg_name}.cabal
 
 %build
 %ghc_lib_build
@@ -77,10 +78,8 @@ This package provides the Haskell %{pkg_name} library development files.
 %ghc_pkg_recache
 
 %files -f %{name}.files
-%defattr(-,root,root,-)
-%doc LICENSE
+%license LICENSE
 
 %files devel -f %{name}-devel.files
-%defattr(-,root,root,-)
 
 %changelog
diff --git a/x509-1.7.1.tar.gz b/x509-1.7.1.tar.gz
deleted file mode 100644
index 6814085..0000000
--- a/x509-1.7.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f96566b0c1ef8843f055f2cf8d2111c989498fdbcf6dcde286f816655ff8e467
-size 17085
diff --git a/x509-1.7.3.tar.gz b/x509-1.7.3.tar.gz
new file mode 100644
index 0000000..e58d1a0
--- /dev/null
+++ b/x509-1.7.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:41740f949bb773dc721d342a85587a512658c81ee8cd38f102473b315e127356
+size 18386
diff --git a/x509.cabal b/x509.cabal
new file mode 100644
index 0000000..4a76df7
--- /dev/null
+++ b/x509.cabal
@@ -0,0 +1,68 @@
+Name:                x509
+version:             1.7.3
+x-revision: 1
+Description:         X509 reader and writer
+License:             BSD3
+License-file:        LICENSE
+Copyright:           Vincent Hanquez <vincent@snarc.org>
+Author:              Vincent Hanquez <vincent@snarc.org>
+Maintainer:          Vincent Hanquez <vincent@snarc.org>
+Synopsis:            X509 reader and writer
+Build-Type:          Simple
+Category:            Data
+stability:           experimental
+Homepage:            http://github.com/vincenthz/hs-certificate
+Cabal-Version:       >= 1.10
+
+Library
+  -- Could not find module 'Data.Proxy'
+  build-depends: base >=4.7
+
+  Default-Language:  Haskell2010
+  Build-Depends:     base >= 3 && < 5
+                   , bytestring
+                   , memory
+                   , mtl
+                   , containers
+                   , hourglass
+                   , pem >= 0.1
+                   , asn1-types >= 0.3.1 && < 0.4
+                   , asn1-encoding >= 0.9 && < 0.10
+                   , asn1-parse >= 0.9.3 && < 0.10
+                   , cryptonite >= 0.8
+  Exposed-modules:   Data.X509
+                     Data.X509.EC
+  Other-modules:     Data.X509.Internal
+                     Data.X509.CertificateChain
+                     Data.X509.AlgorithmIdentifier
+                     Data.X509.DistinguishedName
+                     Data.X509.Cert
+                     Data.X509.PublicKey
+                     Data.X509.PrivateKey
+                     Data.X509.Ext
+                     Data.X509.ExtensionRaw
+                     Data.X509.CRL
+                     Data.X509.OID
+                     Data.X509.Signed
+  ghc-options:       -Wall
+
+Test-Suite test-x509
+  Default-Language:  Haskell2010
+  type:              exitcode-stdio-1.0
+  hs-source-dirs:    Tests
+  Main-is:           Tests.hs
+  Build-Depends:     base >= 3 && < 5
+                   , bytestring
+                   , mtl
+                   , tasty
+                   , tasty-quickcheck
+                   , hourglass
+                   , asn1-types
+                   , x509
+                   , cryptonite
+  ghc-options:       -Wall -fno-warn-orphans -fno-warn-missing-signatures
+
+source-repository head
+  type:     git
+  location: git://github.com/vincenthz/hs-certificate
+  subdir:   x509