diff --git a/epson-inkjet-printer-escpr.changes b/epson-inkjet-printer-escpr.changes
index 1ded78e..0272154 100644
--- a/epson-inkjet-printer-escpr.changes
+++ b/epson-inkjet-printer-escpr.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Jun 18 16:31:54 UTC 2017 - bwiedemann@suse.com
+
+- call gzip -n to make build fully reproducible
+
 -------------------------------------------------------------------
 Mon Jun 12 22:31:03 UTC 2017 - nico.kruber@gmail.com
 
diff --git a/epson-inkjet-printer-escpr.spec b/epson-inkjet-printer-escpr.spec
index c37f1b0..49e9ca8 100644
--- a/epson-inkjet-printer-escpr.spec
+++ b/epson-inkjet-printer-escpr.spec
@@ -123,7 +123,7 @@ set +x
 for p in *.ppd
 do echo -n "$p: "
    grep -E -v '^\*UIConstraints:|^\*NonUIConstraints:|^\*cupsFilter:' $p | cupstestppd - || true
-   gzip $p
+   gzip -n9 $p
 done
 # Switch back to the usual build log messages:
 set -x