diff --git a/flnews-devel/Makefile b/flnews-devel/Makefile
index fc80601f5b..a7e115dd79 100644
--- a/flnews-devel/Makefile
+++ b/flnews-devel/Makefile
@@ -1,6 +1,6 @@
 # $NetBSD$
 
-FLNEWS_VERSION=	1.0pre8
+FLNEWS_VERSION=	1.0pre13
 
 DISTNAME=	flnews-${FLNEWS_VERSION}
 CATEGORIES=	news
@@ -19,6 +19,10 @@ USE_LANGUAGES=	c c++
 
 TEST_TARGET=	test
 
+# Override build date for reproducible builds
+# https://reproducible-builds.org/specs/source-date-epoch/
+CONFIGURE_ENV=	SOURCE_DATE_EPOCH=1609614240
+
 # Bug report contact address used for GUI
 FLNEWS_MAINTAINER=	${MAINTAINER}
 
diff --git a/flnews-devel/README b/flnews-devel/README
index 3bb3384940..a78e82e53d 100644
--- a/flnews-devel/README
+++ b/flnews-devel/README
@@ -1,2 +1,5 @@
 This package contains a development snapshot.
 FLTK 1.4 is used to test Pango support.
+
+Use the script "migrate_config" to convert configuration data from
+version 0.x to the new format.
diff --git a/flnews-devel/distinfo b/flnews-devel/distinfo
index cd147ad4e1..50cf525744 100644
--- a/flnews-devel/distinfo
+++ b/flnews-devel/distinfo
@@ -1,6 +1,6 @@
 $NetBSD$
 
-SHA1 (flnews-1.0pre8.tar.bz2) = 87f3e771d5a4b8769e74794a1c45fbda658fbe90
-RMD160 (flnews-1.0pre8.tar.bz2) = c13de0b530661c414794bf9f112ccfca6c0d2ce9
-SHA512 (flnews-1.0pre8.tar.bz2) = a909650e7c813f14b3ff7f42e28a1e2d4db46cf171f987dbbd3161701f3c474ffbce46e91eae2a9e8b531d97ceaaca45c5ce73deb0264f19cb71dab4e89e8dab
-Size (flnews-1.0pre8.tar.bz2) = 1157247 bytes
+SHA1 (flnews-1.0pre13.tar.bz2) = b0182eda0ea7a67e13e8840ef51b9d031c957b7e
+RMD160 (flnews-1.0pre13.tar.bz2) = 664efe36f3b90f83b57d6d5bf18a377d61deb405
+SHA512 (flnews-1.0pre13.tar.bz2) = 5030643d9c821223400c5c06bfb3dbfad9e54ad94a166c8b55af5b70de216ce17362db70cc8ee1764635305d10f73781ef82abc411ce7b89c8249e7abfb5fc60
+Size (flnews-1.0pre13.tar.bz2) = 1167381 bytes
diff --git a/flnews-devel/files/CONFIG b/flnews-devel/files/CONFIG
index 543e9b1ee7..9003741133 100644
--- a/flnews-devel/files/CONFIG
+++ b/flnews-devel/files/CONFIG
@@ -187,9 +187,9 @@ CFG_XDG_DESKTOP_PATH="$CFG_PREFIX/share/applications"
 # (must be an absolute path without trailing slash)
 CFG_XDG_ICON_THEME_PATH="$CFG_PREFIX/share/icons"
 
-# If you need reproducible builds for a binary package of a distribution,
-# set this to '1'.
-CFG_REPRODUCIBLE=1
+# Reproducible builds
+# The SOURCE_DATE_EPOCH specification 1.1 is supported:
+# https://reproducible-builds.org/specs/source-date-epoch/
 # ==============================================================================