diff --git a/.gitignore b/.gitignore
index 512e87f..c50d04f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /pandoc-types-1.9.0.2.tar.gz
 /pandoc-types-1.9.1.tar.gz
 /pandoc-types-1.10.tar.gz
+/pandoc-types-1.12.3.1.tar.gz
diff --git a/ghc-pandoc-types.spec b/ghc-pandoc-types.spec
index a72fa08..41eefa5 100644
--- a/ghc-pandoc-types.spec
+++ b/ghc-pandoc-types.spec
@@ -3,8 +3,8 @@
 %global pkg_name pandoc-types
 
 Name:           ghc-%{pkg_name}
-Version:        1.10
-Release:        3%{?dist}
+Version:        1.12.3.1
+Release:        1%{?dist}
 Summary:        Types for representing a structured document
 
 License:        GPLv2+
@@ -14,6 +14,8 @@ Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{versio
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 # Begin cabal-rpm deps:
+BuildRequires:  ghc-aeson-devel
+BuildRequires:  ghc-bytestring-devel
 BuildRequires:  ghc-containers-devel
 BuildRequires:  ghc-syb-devel
 # End cabal-rpm deps
@@ -66,6 +68,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Wed Jan 22 2014 Jens Petersen <petersen@redhat.com> - 1.12.3.1-1
+- update to 1.12.3.1
+
 * Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.10-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
 
diff --git a/sources b/sources
index e5f4209..5073f59 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8534ce863f33550120892f981ad2d9a2  pandoc-types-1.10.tar.gz
+b325fed6ee8b7b72f71285b36c76c3d5  pandoc-types-1.12.3.1.tar.gz