diff --git a/src/TurnerSoftware.SitemapTools/TurnerSoftware.SitemapTools.csproj b/src/TurnerSoftware.SitemapTools/TurnerSoftware.SitemapTools.csproj
index 04dbcc1..3e08c5e 100644
--- a/src/TurnerSoftware.SitemapTools/TurnerSoftware.SitemapTools.csproj
+++ b/src/TurnerSoftware.SitemapTools/TurnerSoftware.SitemapTools.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MimeTypes" Version="2.2.1">
+    <PackageReference Include="MimeTypes" Version="2.3.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>