diff --git a/CREDITS b/CREDITS
index 2513503e..afd033b8 100644
--- a/CREDITS
+++ b/CREDITS
@@ -701,3 +701,8 @@ F: captainw
 S: CaptainW
 E: avortement.rate@gmail.com
 D: graphics
+
+F: Zucca
+N: Ilja Sara
+E: ilja.sara@kahvipannu.com
+D: levels
diff --git a/levels/protox/dm09.wad b/levels/protox/dm09.wad
index aea8cf80..bb018b96 100644
Binary files a/levels/protox/dm09.wad and b/levels/protox/dm09.wad differ