diff --git a/src/Website/packages.config b/src/Website/packages.config
index 7b3d21c..09aae93 100644
--- a/src/Website/packages.config
+++ b/src/Website/packages.config
@@ -49,7 +49,7 @@
   <package id="RestSharp" version="105.2.2" targetFramework="net46" />
   <package id="System.IdentityModel.Tokens.Jwt" version="4.0.0" targetFramework="net45" />
   <package id="System.IdentityModel.Tokens.ValidatingIssuerNameRegistry" version="4.5.1" targetFramework="net45" />
-  <package id="Twilio" version="4.1.0" targetFramework="net46" />
+  <package id="Twilio" version="5.64.0" targetFramework="net46" />
   <package id="Twilio.TwiML" version="3.3.6" targetFramework="net45" />
   <package id="WebGrease" version="1.5.2" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/test/Website.UnitTests/packages.config b/test/Website.UnitTests/packages.config
index 8cce8e4..ffc21c5 100644
--- a/test/Website.UnitTests/packages.config
+++ b/test/Website.UnitTests/packages.config
@@ -17,6 +17,6 @@
   <package id="NUnit" version="2.6.4" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="RestSharp" version="105.2.2" targetFramework="net46" />
-  <package id="Twilio" version="4.1.0" targetFramework="net46" />
+  <package id="Twilio" version="5.64.0" targetFramework="net46" />
   <package id="Twilio.TwiML" version="3.3.6" targetFramework="net45" />
 </packages>
\ No newline at end of file