diff --git a/gettext-csharp.spec b/gettext-csharp.spec
index 80a153f..aaab6a6 100644
--- a/gettext-csharp.spec
+++ b/gettext-csharp.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package gettext-csharp
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/gettext-java.spec b/gettext-java.spec
index fef665d..71136f4 100644
--- a/gettext-java.spec
+++ b/gettext-java.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package gettext-java
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/gettext-runtime-mini.changes b/gettext-runtime-mini.changes
index 61c134f..8f0a90f 100644
--- a/gettext-runtime-mini.changes
+++ b/gettext-runtime-mini.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat May 25 11:53:33 UTC 2019 - Marcus Meissner <meissner@suse.com>
+
+- reproducible.patch: generate timestamp in .pot files from SOURCE_DATE_EPOCH
+  for reproducible builds
+
 -------------------------------------------------------------------
 Mon Mar  4 11:28:14 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/gettext-runtime-mini.spec b/gettext-runtime-mini.spec
index 8c82b5f..dbc5b7b 100644
--- a/gettext-runtime-mini.spec
+++ b/gettext-runtime-mini.spec
@@ -1,7 +1,7 @@
 #
-# spec file for package gettext-runtime
+# spec file for package gettext-runtime-mini
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/gettext-runtime.changes b/gettext-runtime.changes
index 61c134f..8f0a90f 100644
--- a/gettext-runtime.changes
+++ b/gettext-runtime.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat May 25 11:53:33 UTC 2019 - Marcus Meissner <meissner@suse.com>
+
+- reproducible.patch: generate timestamp in .pot files from SOURCE_DATE_EPOCH
+  for reproducible builds
+
 -------------------------------------------------------------------
 Mon Mar  4 11:28:14 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/gettext-runtime.spec b/gettext-runtime.spec
index eadeb2d..b523fbc 100644
--- a/gettext-runtime.spec
+++ b/gettext-runtime.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package gettext-runtime
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/reproducible.patch b/reproducible.patch
index f63593b..8e2a2b6 100644
--- a/reproducible.patch
+++ b/reproducible.patch
@@ -26,3 +26,50 @@ Index: gettext-0.19.8.1/gettext-tools/man/help2man
  (my $program = $ARGV[0]) =~ s!.*/!!;
  my $package = $program;
  my $version;
+Index: gettext-0.19.8.1/gettext-tools/src/xgettext.c
+===================================================================
+--- gettext-0.19.8.1.orig/gettext-tools/src/xgettext.c
++++ gettext-0.19.8.1/gettext-tools/src/xgettext.c
+@@ -3714,6 +3714,9 @@ construct_header ()
+   char *msgstr;
+   char *comment;
+   static lex_pos_ty pos = { __FILE__, __LINE__ };
++  char *source_date_epoch;
++  unsigned long long epoch;
++  char *endptr;
+ 
+   if (package_name != NULL)
+     {
+@@ -3734,7 +3738,31 @@ the MSGID_BUGS_ADDRESS variable there; o
+ specify an --msgid-bugs-address command line option.\n\
+ ")));
+ 
+-  time (&now);
++  source_date_epoch = getenv("SOURCE_DATE_EPOCH");
++  if (source_date_epoch) {
++   errno = 0;
++   epoch = strtoull(source_date_epoch, &endptr, 10);
++   if ((errno == ERANGE && (epoch == ULLONG_MAX || epoch == 0))
++     || (errno != 0 && epoch == 0)) {
++    fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH: strtoull: %s\n", strerror(errno));
++    exit(EXIT_FAILURE);
++   }
++   if (endptr == source_date_epoch) {
++    fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH: No digits were found: %s\n", endptr);
++    exit(EXIT_FAILURE);
++   }
++   if (*endptr != '\0') {
++    fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH: Trailing garbage: %s\n", endptr);
++    exit(EXIT_FAILURE);
++   }
++   if (epoch > ULONG_MAX) {
++    fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH: value must be smaller than or equal to %lu but was found to be: %llu \n", ULONG_MAX, epoch);
++    exit(EXIT_FAILURE);
++   }
++   now = epoch;
++  } else {
++   now = time(NULL);
++  }
+   timestring = po_strftime (&now);
+ 
+   msgstr = xasprintf ("\