diff --git a/configure.ac b/configure.ac
index 534a66dd..f1abde22 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(spral, 2023.07.04, hsl@stfc.ac.uk)
+AC_INIT(spral, 2023.08.02, hsl@stfc.ac.uk)
 AC_CONFIG_SRCDIR([src/ssids/ssids.f90])
 AC_CONFIG_HEADER([config.h])
 AM_INIT_AUTOMAKE