diff --git a/tools/test-upgrade.lisp b/tools/test-upgrade.lisp
index 61c1cf8743148b39ffd5aa682913aab2bc882bca..7f57e46d4a9c381d582dd7d077478b1e9ac0ca18 100644
--- a/tools/test-upgrade.lisp
+++ b/tools/test-upgrade.lisp
@@ -13,6 +13,7 @@
     ;; The 3.1 series provides the asdf3.1 feature, meaning users can rely on
     ;; all the stabilization work done in 3.0 so far, plus extra developments
     ;; in UIOP, package-inferred-system, and more robustification.
+    "3.1.3" ;; (2014-07-24) a bug fix release for 3.1.2
     "3.1.2" ;; (2014-05-06) the first ASDF 3.1 release
 
     ;; The 3.0 series is a stable release of ASDF 3