diff --git a/configure.ac b/configure.ac
index be7ad0de..1b003472 100644
--- a/configure.ac
+++ b/configure.ac
@@ -182,7 +182,7 @@ AC_SUBST(XAPIAN_LIBS)
 # note that MU_STORE_SCHEMA_VERSION does not necessarily follow MU
 # versioning, as we hopefully don't have updates for each version;
 # also, this has nothing to do with Xapian's software version
-AC_DEFINE(MU_STORE_SCHEMA_VERSION,["1.3"], ['Schema' version of the database])
+AC_DEFINE(MU_STORE_SCHEMA_VERSION,["1.3.1"], ['Schema' version of the database])
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