diff --git a/Shopping.DemoApp.Droid/packages.config b/Shopping.DemoApp.Droid/packages.config
old mode 100755
new mode 100644
index 1a90747..5e91f3c
--- a/Shopping.DemoApp.Droid/packages.config
+++ b/Shopping.DemoApp.Droid/packages.config
@@ -62,7 +62,7 @@
   <package id="System.Security.Cryptography.Algorithms" version="4.2.0" targetFramework="monoandroid70" />
   <package id="System.Security.Cryptography.Encoding" version="4.0.0" targetFramework="monoandroid70" />
   <package id="System.Security.Cryptography.Primitives" version="4.0.0" targetFramework="monoandroid70" />
-  <package id="System.Security.Cryptography.X509Certificates" version="4.1.0" targetFramework="monoandroid70" />
+  <package id="System.Security.Cryptography.X509Certificates" version="4.1.2" targetFramework="monoandroid70" />
   <package id="System.Spatial" version="5.8.0" targetFramework="monoandroid70" />
   <package id="System.Text.Encoding" version="4.0.11" targetFramework="monoandroid70" />
   <package id="System.Text.Encoding.Extensions" version="4.0.11" targetFramework="monoandroid70" />