diff --git a/Directory.Packages.props b/Directory.Packages.props
index fb7c9e06..6f67c023 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -28,7 +28,7 @@
     <PackageVersion Include="SharpZipLib" Version="1.4.2" />
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
-    <PackageVersion Include="System.Security.Cryptography.Xml" Version="10.0.6" />
+    <PackageVersion Include="System.Security.Cryptography.Xml" Version="10.0.10" />
     <PackageVersion Include="System.Text.Json" Version="10.0.8" />
     <PackageVersion Include="YamlDotNet" Version="16.3.0" />
     <PackageVersion Include="Spectre.Console" Version="0.49.1" />
@@ -81,13 +81,13 @@
     <PackageVersion Update="Microsoft.Build.Framework" Version="17.14.28" />
     <PackageVersion Update="Microsoft.Build.Tasks.Core" Version="17.14.28" />
     <PackageVersion Update="Microsoft.Build.Utilities.Core" Version="17.14.28" />
-    <PackageVersion Update="System.Security.Cryptography.Xml" Version="9.0.15" />
+    <PackageVersion Update="System.Security.Cryptography.Xml" Version="9.0.18" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <PackageVersion Update="Microsoft.Build" Version="17.11.48" />
     <PackageVersion Update="Microsoft.Build.Framework" Version="17.11.48" />
     <PackageVersion Update="Microsoft.Build.Tasks.Core" Version="17.11.48" />
     <PackageVersion Update="Microsoft.Build.Utilities.Core" Version="17.11.48" />
-    <PackageVersion Update="System.Security.Cryptography.Xml" Version="8.0.3" />
+    <PackageVersion Update="System.Security.Cryptography.Xml" Version="8.0.4" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/build/_build.csproj b/build/_build.csproj
index 0491b6ce..e9748ca4 100644
--- a/build/_build.csproj
+++ b/build/_build.csproj
@@ -54,7 +54,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="10.0.6" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="10.0.10" />
     <!-- Nerdbank.GitVersioning lets us read ThisAssembly.AssemblyInformationalVersion in
          Build.cs as the canonical version source. Replaces GitVersion.Tool (#81). Direct
          dependency because _build.csproj turns off central package management. -->