diff --git a/.gitignore b/.gitignore
index e81d3f6..a75f999 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,4 @@
 /annobin-5.10.tar.xz
 /annobin-5.11.tar.xz
 /annobin-6.0.tar.xz
+/annobin-6.1.tar.xz
diff --git a/annobin.spec b/annobin.spec
index 490c8e9..bac072e 100644
--- a/annobin.spec
+++ b/annobin.spec
@@ -11,7 +11,7 @@
 
 Name:    annobin
 Summary: Binary annotation plugin for GCC
-Version: 6.0
+Version: 6.1
 Release: 1%{?dist}
 
 License: GPLv3+
@@ -216,6 +216,9 @@ exit 0
 #---------------------------------------------------------------------------------
 
 %changelog
+* Fri Jun 08 2018 Nick Clifton <nickc@redhat.com> - 6.1-1
+- Remove C99-ism from annocheck sources.
+
 * Wed Jun 06 2018 Nick Clifton <nickc@redhat.com> - 6.0-1
 - Add the annocheck program.
 
diff --git a/sources b/sources
index cbd0fb9..777dc14 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (annobin-6.0.tar.xz) = 01e5693a5584cc6f532686863e0c8fa29ef0eeeba7860b16e067bec7a7f363bf72d63c4be56707288355409b748da2f5fcfd3e579925dd68fd751591ae678d7d
+SHA512 (annobin-6.1.tar.xz) = 8c367648673a673aa78d6bc6f23296e4cf5672b740663c17be2f5cce95ab16c23a93a6d47fc82dbabb6f5d246568402f0c0b6f23e8968bfc6c266f729c14884d