diff --git a/MeetupToRTM/packages.config b/MeetupToRTM/packages.config
index d3ce843..061ab4c 100644
--- a/MeetupToRTM/packages.config
+++ b/MeetupToRTM/packages.config
@@ -7,7 +7,7 @@
   <package id="Fody" version="6.6.4" targetFramework="net48" developmentDependency="true" />
   <package id="ini-parser" version="2.5.2" targetFramework="net472" />
   <package id="MaterialDesignColors" version="2.0.9" targetFramework="net48" />
-  <package id="MaterialDesignThemes" version="4.6.1" targetFramework="net48" />
+  <package id="MaterialDesignThemes" version="4.9.0" targetFramework="net48" />
   <package id="Microsoft.NET.Test.Sdk" version="17.7.2" targetFramework="net48" />
   <package id="Microsoft.CodeCoverage" version="17.5.0" targetFramework="net48" />
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="net472" />