diff --git a/lib/polish_invoicer/version.rb b/lib/polish_invoicer/version.rb
index 6b6d2a1..4bf0544 100644
--- a/lib/polish_invoicer/version.rb
+++ b/lib/polish_invoicer/version.rb
@@ -1,3 +1,3 @@
 module PolishInvoicer
-  VERSION = '0.0.20'.freeze
+  VERSION = '0.0.21'.freeze
 end