diff --git a/.gitignore b/.gitignore
index 7920f39..9fd576a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,4 @@
 /annobin-6.1.tar.xz
 /annobin-6.2.tar.xz
 /annobin-6.3.tar.xz
+/annobin-6.4.tar.xz
diff --git a/annobin.spec b/annobin.spec
index 65867d7..c78c7bd 100644
--- a/annobin.spec
+++ b/annobin.spec
@@ -11,7 +11,7 @@
 
 Name:    annobin
 Summary: Binary annotation plugin for GCC
-Version: 6.3
+Version: 6.4
 Release: 1%{?dist}
 
 License: GPLv3+
@@ -216,6 +216,9 @@ exit 0
 #---------------------------------------------------------------------------------
 
 %changelog
+* Fri Jun 22 2018 Nick Clifton <nickc@redhat.com> - 6.4-1
+- Fix scoping bug computing the name of a separate debuginfo file.
+
 * Tue Jun 19 2018 Nick Clifton <nickc@redhat.com> - 6.3-1
 - Fix file descriptor leak.
 
diff --git a/sources b/sources
index d483f29..6471848 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (annobin-6.3.tar.xz) = 5b88f09c9b67af4dca1c17136c8022a1acb1c3efe2d89697af7cad1efdaf649ff88f8e19bec482b52d956320511a1435dd9a7002d9b8ec72a8a38cabf3674772
+SHA512 (annobin-6.4.tar.xz) = db114856cf7c1f8b06d0b979747624fabdf4534e003c4de67cbd564ce58ea2219749e358eaff4dd3fb5e78b9a4c68e4beb09ecb7655db76850eaa5e8c2128aa9