diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0d46ae..4561179 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## `2.0.19`
+
+* Fix an issue CSR generation. Version should be set to zero according to the spec. It's causing issue with some ACME server implementation.
+
 ## `2.0.18`
 
 * Fix an issue public key encoding. `OpenSSL::BN` cause keys with leading zero to fail.
diff --git a/lib/acme/client/version.rb b/lib/acme/client/version.rb
index 02eb274..70a77ae 100644
--- a/lib/acme/client/version.rb
+++ b/lib/acme/client/version.rb
@@ -2,6 +2,6 @@
 
 module Acme
   class Client
-    VERSION = '2.0.18'.freeze
+    VERSION = '2.0.19'.freeze
   end
 end