diff --git a/.gitignore b/.gitignore
index 28c5305..a7a0f75 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,3 +53,4 @@
 /vim-8.0-494.tar.bz2
 /vim-8.0-497.tar.bz2
 /vim-8.0-502.tar.bz2
+/vim-8.0-503.tar.bz2
diff --git a/README.patches b/README.patches
index fe57ea0..b0e582f 100644
--- a/README.patches
+++ b/README.patches
@@ -1,3 +1,12 @@
+commit 9d20ce6970158de69202a82529d9e97827a9e71b
+Author: Bram Moolenaar <Bram@vim.org>
+Date:   Thu Mar 23 21:53:35 2017 +0100
+
+    patch 8.0.0503: endless loop in updating folds with 32 bit ints
+    
+    Problem:    Endless loop in updating folds with 32 bit ints.
+    Solution:   Subtract from LHS instead of add to the RHS. (Matthew Malcomson)
+
 commit a37ffaa5e0a47e2db27bc0cc23f49e7094f47f3b
 Author: Bram Moolenaar <Bram@vim.org>
 Date:   Tue Mar 21 21:58:00 2017 +0100
diff --git a/sources b/sources
index a3763c3..5b472bc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (vim-8.0-502.tar.bz2) = 3239cfd9ba1e745dbba6f95267d18dd71ab73b3b68d2a0a0ac392833c5bb2bf258f62a618370f13ab6c2ad80e679127e0dd96d26351459b41a1c76e6013e5c9f
+SHA512 (vim-8.0-503.tar.bz2) = c7761bb314163a8960c675ff0f0869d2f3b6c9c286637064c1b257318863585da076b92e13929c4d158c894a877a51e9bb3753cea551dec9cbbc585bb2dbd0dc
diff --git a/vim.spec b/vim.spec
index 8e50ee3..15c3065 100644
--- a/vim.spec
+++ b/vim.spec
@@ -1,4 +1,4 @@
-%define patchlevel 502
+%define patchlevel 503
 %if %{?WITH_SELINUX:0}%{!?WITH_SELINUX:1}
 %define WITH_SELINUX 1
 %endif
@@ -768,6 +768,9 @@ rm -rf %{buildroot}
 %{_datadir}/icons/locolor/*/apps/*
 
 %changelog
+* Fri Mar 24 2017 Karsten Hopp <karsten@redhat.com> 8.0.503-1
+- patchlevel 503
+
 * Wed Mar 22 2017 Karsten Hopp <karsten@redhat.com> 8.0.502-1
 - patchlevel 502