diff --git a/eng/src/yaml-updater/yaml-updater.csproj b/eng/src/yaml-updater/yaml-updater.csproj
index 1b3ffc868..ae2b50495 100644
--- a/eng/src/yaml-updater/yaml-updater.csproj
+++ b/eng/src/yaml-updater/yaml-updater.csproj
@@ -15,7 +15,7 @@
   <ItemGroup>
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta1.20574.7" />
     <PackageReference Include="System.Diagnostics.TextWriterTraceListener" Version="4.3.0" />
-    <PackageReference Include="YamlDotNet" Version="17.1.0" />
+    <PackageReference Include="YamlDotNet" Version="18.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/ImageBuilder/Microsoft.DotNet.ImageBuilder.csproj b/src/ImageBuilder/Microsoft.DotNet.ImageBuilder.csproj
index 1dc718a1d..7aef1b0f3 100644
--- a/src/ImageBuilder/Microsoft.DotNet.ImageBuilder.csproj
+++ b/src/ImageBuilder/Microsoft.DotNet.ImageBuilder.csproj
@@ -46,7 +46,7 @@
     <PackageReference Include="System.CommandLine" Version="2.0.7" />
     <PackageReference Include="System.Formats.Cbor" Version="9.0.16" />
     <PackageReference Include="System.Linq.Async" Version="7.0.1" />
-    <PackageReference Include="YamlDotNet" Version="17.1.0" />
+    <PackageReference Include="YamlDotNet" Version="18.0.0" />
 
     <!-- Resolve diamond dependency: Microsoft.TeamFoundationServer.Client transitively requires >= 8.0.0 -->
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.0" />