diff --git a/configure.ac b/configure.ac
index 7ed38f95a8..4e04765692 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Process with autoconf to generate configure script   -*- sh -*-
 AC_INIT(LyX,2.4.0dev,[lyx-devel@lists.lyx.org],[lyx])
 AC_PRESERVE_HELP_ORDER
 # Use ISO format only. The frontend needs to parse this
-AC_SUBST(LYX_DATE, ["2017-08-14"])
+AC_SUBST(LYX_DATE, ["2018-02-24"])
 AC_PREREQ(2.65)
 AC_CONFIG_SRCDIR(src/main.cpp)
 AC_CONFIG_HEADERS([config.h])