diff --git a/build.lua b/build.lua
index 42fe393..91ce395 100644
--- a/build.lua
+++ b/build.lua
@@ -8,7 +8,7 @@ cleanfiles = {"*.glo", "*.fls", "*.idx", "*.out", "*.fdb_latexmk", "*.aux", "*.c
 
 uploadconfig = {
   pkg = "yb-book",
-  version = "0.0.0",
+  version = "0.2.1",
   author = "Yegor Bugayenko",
   uploader = "Yegor Bugayenko",
   email = "yegor256@gmail.com",
diff --git a/yb-book.dtx b/yb-book.dtx
index 8ab210f..4995341 100644
--- a/yb-book.dtx
+++ b/yb-book.dtx
@@ -50,7 +50,7 @@
 %<class>\NeedsTeXFormat{LaTeX2e}
 %<class>\ProvidesClass{yb-book}
 %<*class>
-[0000-00-000 0.0.0 YB Branded Book Style]
+[19.05.20230 0.2.1 YB Branded Book Style]
 %</class>
 %<*driver>
 \documentclass{ltxdoc}