diff --git a/Casks/pdf-reader-pro.rb b/Casks/pdf-reader-pro.rb
index dd9eb4147a9..a67e5576047 100644
--- a/Casks/pdf-reader-pro.rb
+++ b/Casks/pdf-reader-pro.rb
@@ -1,5 +1,5 @@
 cask "pdf-reader-pro" do
-  version "2.8.6.1"
+  version "2.8.8.1"
   sha256 :no_check
 
   url "https://www.pdfreaderpro.com/downloads/PDFReaderPro.dmg"