diff --git a/configure.ac b/configure.ac
index 7937601..d3b66ce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([cve-check-tool], 5.6.3, [michael.i.doherty@intel.com], [cve-check-tool], [https://github.com/ikeydoherty/cve-check-tool])
+AC_INIT([cve-check-tool], 5.6.4, [michael.i.doherty@intel.com], [cve-check-tool], [https://github.com/ikeydoherty/cve-check-tool])
 AM_INIT_AUTOMAKE([-Wno-portability no-dist-gzip dist-xz foreign subdir-objects])
 AC_PROG_CC
 AC_PROG_CC_STDC