diff --git a/techstore/packages.config b/techstore/packages.config
index a1ada4f..230a038 100644
--- a/techstore/packages.config
+++ b/techstore/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="net461" />
+  <package id="BouncyCastle" version="1.8.9" targetFramework="net461" />
   <package id="Google.Protobuf" version="3.6.1" targetFramework="net461" />
   <package id="MySql.Data" version="8.0.16" targetFramework="net461" />
 </packages>
\ No newline at end of file