diff --git a/02_Windows_App/Perun_v1/packages.config b/02_Windows_App/Perun_v1/packages.config
index 8aca2a3..28ba67b 100644
--- a/02_Windows_App/Perun_v1/packages.config
+++ b/02_Windows_App/Perun_v1/packages.config
@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="BouncyCastle" version="1.8.3.1" targetFramework="net48" />
+  <package id="BouncyCastle" version="1.8.9" targetFramework="net48" />
   <package id="Google.Protobuf" version="3.15.0" targetFramework="net48" />
   <package id="MySql.Data" version="8.0.17" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net48" />