diff --git a/src/sika.core/sika.core.csproj b/src/sika.core/sika.core.csproj
index 2f871f3..3cd8dc7 100644
--- a/src/sika.core/sika.core.csproj
+++ b/src/sika.core/sika.core.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <TargetFramework>net8.0</TargetFramework>
@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Markdig" Version="0.39.1"/>
+        <PackageReference Include="Markdig" Version="0.40.0"/>
         <PackageReference Include="MarkdigExtensions.UrlRewriter" Version="1.0.0"/>
         <PackageReference Include="RazorLight" Version="2.3.1"/>
         <PackageReference Include="YamlDotNet" Version="16.2.1"/>