diff --git a/.gitignore b/.gitignore
index 6acbc70..591b5d0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /pandoc-types-1.12.4.1.tar.gz
 /pandoc-types-1.16.1.tar.gz
 /pandoc-types-1.17.0.5.tar.gz
+/pandoc-types-1.17.3.tar.gz
diff --git a/ghc-pandoc-types.spec b/ghc-pandoc-types.spec
index 2e0bf20..5cae19d 100644
--- a/ghc-pandoc-types.spec
+++ b/ghc-pandoc-types.spec
@@ -7,8 +7,8 @@
 %bcond_with tests
 
 Name:           ghc-%{pkg_name}
-Version:        1.17.0.5
-Release:        3%{?dist}
+Version:        1.17.3
+Release:        1%{?dist}
 Summary:        Types for representing a structured document
 
 License:        GPLv2+
@@ -24,6 +24,7 @@ BuildRequires:  ghc-bytestring-devel
 BuildRequires:  ghc-containers-devel
 BuildRequires:  ghc-deepseq-devel
 BuildRequires:  ghc-syb-devel
+BuildRequires:  ghc-transformers-devel
 %if %{with tests}
 BuildRequires:  ghc-HUnit-devel
 BuildRequires:  ghc-string-qq-devel
@@ -96,6 +97,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Wed Jan 24 2018 Jens Petersen <petersen@redhat.com> - 1.17.3-1
+- update to 1.17.3
+
 * Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.17.0.5-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
 
diff --git a/sources b/sources
index 5536094..38af908 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (pandoc-types-1.17.0.5.tar.gz) = 911ee9e7e60fc3d00f8ff7c4a71ee302542f9f2445e959a0d3cfa0e5c165baed915c687790d1844d0900b761abeebab6da0d346bb44194f6d268ba1e5a41bd27
+SHA512 (pandoc-types-1.17.3.tar.gz) = 7646ce51757b2abe2ca8de66316a1a268f72a3170270c524bbdd5fa8c97175036043ffbd1a4840b79b450d494f29dcc864670d76a9e551852728fc302613679a