diff --git a/.gitignore b/.gitignore
index 91a3ed5..5fe1199 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ alex-2.3.3.tar.gz
 /alex-2.3.5.tar.gz
 /alex-3.0.1.tar.gz
 /alex-3.0.5.tar.gz
+/alex-3.1.3.tar.gz
diff --git a/alex.spec b/alex.spec
index 12cff2b..3aa5aba 100644
--- a/alex.spec
+++ b/alex.spec
@@ -1,9 +1,12 @@
 # https://fedoraproject.org/wiki/Packaging:Haskell
 
+# no useful debuginfo for Haskell packages without C sources
+%global debug_package %{nil}
+
 Name:           alex
 # part of haskell-platform
-Version:        3.0.5
-Release:        36%{?dist}
+Version:        3.1.3
+Release:        1%{?dist}
 Summary:        Tool for generating lexical analysers in Haskell
 
 License:        BSD
@@ -54,6 +57,9 @@ cd ..
 
 
 %changelog
+* Wed May 14 2014 Jens Petersen <petersen@redhat.com> - 3.1.3-1
+- update to 3.1.3
+
 * Mon Apr 21 2014 Jens Petersen <petersen@redhat.com> - 3.0.5-36
 - bang pattern patch no longer needed for ppc with ghc-7.6
 
diff --git a/sources b/sources
index 6a9a622..7f42458 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-018f9817cd3c094294c8ab83e530c1c8  alex-3.0.5.tar.gz
+525e570cb0e84fd856f9c53605ec9e98  alex-3.1.3.tar.gz