diff --git a/src/Webserver.API/Webserver.API.csproj b/src/Webserver.API/Webserver.API.csproj
index 1c562f6..60c1bd7 100644
--- a/src/Webserver.API/Webserver.API.csproj
+++ b/src/Webserver.API/Webserver.API.csproj
@@ -28,7 +28,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MimeMapping" Version="3.0.1" />
+    <PackageReference Include="MimeMapping" Version="3.1.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
 		<PackageReference Include="System.Net.Http" Version="4.3.4" Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'" />
   </ItemGroup>
diff --git a/tests/Webserver.API.UnitTests/Webserver.Api.UnitTests.csproj b/tests/Webserver.API.UnitTests/Webserver.Api.UnitTests.csproj
index c0aee8c..405e0e3 100644
--- a/tests/Webserver.API.UnitTests/Webserver.Api.UnitTests.csproj
+++ b/tests/Webserver.API.UnitTests/Webserver.Api.UnitTests.csproj
@@ -20,7 +20,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="MimeMapping" Version="3.0.1" />
+		<PackageReference Include="MimeMapping" Version="3.1.0" />
 		<PackageReference Include="nunit" Version="4.2.2" />
 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />