diff --git a/gnuscripts/lalsuite_build.m4 b/gnuscripts/lalsuite_build.m4
index 6f4f546cc84645afe66bc5068cd63f25143ef157..b3b1dd17578730a320a461ec1f3f29db3b133bcb 100644
--- a/gnuscripts/lalsuite_build.m4
+++ b/gnuscripts/lalsuite_build.m4
@@ -303,7 +303,7 @@ AC_DEFUN([LALSUITE_VERSION_CONFIGURE_INFO],[
   version_devel=`echo "$VERSION" | cut -d. -f4-`
   test -z "$version_micro" && version_micro=0
   test -z "$version_devel" && version_devel=0
-  configure_date=`date +"%Y-%m-%dT%H:%M:%S%z"`
+  configure_date=`$(top_srcdir)/gnuscripts/reproducible-date +"%Y-%m-%dT%H:%M:%S%z"`
   AC_DEFINE_UNQUOTED(uppercase[_VERSION],["$VERSION"],AC_PACKAGE_NAME[ Version])
   AC_DEFINE_UNQUOTED(uppercase[_VERSION_MAJOR],[$version_major],AC_PACKAGE_NAME[ Version Major Number])
   AC_DEFINE_UNQUOTED(uppercase[_VERSION_MINOR],[$version_minor],AC_PACKAGE_NAME[ Version Minor Number])
diff --git a/gnuscripts/lalsuite_vcs_info.am b/gnuscripts/lalsuite_vcs_info.am
index 0bbbf441df1ba1bff80bbe19b9167163079ba8d9..ccb1fb0d9042757e01a69dc7150481abdf3a4242 100644
--- a/gnuscripts/lalsuite_vcs_info.am
+++ b/gnuscripts/lalsuite_vcs_info.am
@@ -17,4 +17,4 @@ $(build_info_source): Makefile $(build_info_dependencies)
 	$(AM_V_GEN)echo '/* $@: generated by Makefile */' >$@; \
 	echo '#define $(PACKAGE_NAME_UCASE)_CONFIGURE_ARGS "'"$(ac_configure_args)"'"' >>$@; \
 	echo '#define $(PACKAGE_NAME_UCASE)_CONFIGURE_DATE "'"$(configure_date)"'"' >>$@; \
-	echo '#define $(PACKAGE_NAME_UCASE)_BUILD_DATE "'`date +"%Y-%m-%dT%H:%M:%S%z"`'"' >>$@
+	echo '#define $(PACKAGE_NAME_UCASE)_BUILD_DATE "'`$(top_srcdir)/gnuscripts/reproducible-date +"%Y-%m-%dT%H:%M:%S%z"`'"' >>$@
diff --git a/gnuscripts/reproducible-date b/gnuscripts/reproducible-date
new file mode 100755
index 0000000000000000000000000000000000000000..7ab245c7b3674a42e7fbe3a264dc36d818959cd7
--- /dev/null
+++ b/gnuscripts/reproducible-date
@@ -0,0 +1,3 @@
+#!/bin/sh
+SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(date +%s)}"
+date -u -d "@$SOURCE_DATE_EPOCH" "$@" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" "$@" 2>/dev/null || date -u "$@"