diff --git a/common-lisp-cookbook.epub b/common-lisp-cookbook.epub
index 62465b7f..3940a3cf 100644
Binary files a/common-lisp-cookbook.epub and b/common-lisp-cookbook.epub differ
diff --git a/common-lisp-cookbook.pdf b/common-lisp-cookbook.pdf
index c386cb88..dc40e5d1 100644
Binary files a/common-lisp-cookbook.pdf and b/common-lisp-cookbook.pdf differ
diff --git a/contributors.md b/contributors.md
index b43b819a..6e2c1289 100644
--- a/contributors.md
+++ b/contributors.md
@@ -34,30 +34,41 @@ The contributors on Github are:
 * Johan Sjölén
 * Mariano Montone
 * albertoriva
+* Daniel Keogh
+* Matteo Landi
 * Nisar Ahmad
 * Nisen
 * Vityok
 * ozten
+* Ahmad Edrisy
 * Amol Dosanjh
 * Andrew
 * Andrew Hill
+* André Alexandre Gomes
 * Bibek Panthi
+* Blue
 * Bo Yao
+* Brandon Hale
 * Burhanuddin Baharuddin
 * Coin Okay
 * Danny Yue
+* Eric Timmons
 * HiPhish
+* Justin
 * Kevin Layer
 * LdBeth
 * Matthew Kennedy
 * Momozor
+* Noor
 * Paul Donnelly
 * Pavel Kulyov
 * R Primus
 * Salad Tea
 * Victor Anyakin
 * convert-repo
+* jgart
 * jthing
+* mavis
 * mwgkgk
 * paul-donnelly
 * various-and-sundry
diff --git a/metadata.txt b/metadata.txt
index 33d3d1d3..f79e5e9e 100644
--- a/metadata.txt
+++ b/metadata.txt
@@ -9,7 +9,7 @@ creator:
   text: The Common Lisp Cookbook contributors
 identifier:
 publisher:
-rights: © 2021 March, 31, vindarel <vindarel@mailz.org>.
+rights: © 2021 July, 29, vindarel <vindarel@mailz.org>.
   This e-book is free of charge, but you can [pay what you want](https://ko-fi.com/s/01fee22a32) for it.
 cover-image: orly-cover.png
 ...