diff --git a/.autover/changes/c7234838-a835-4042-9e15-a9ad20729dd5.json b/.autover/changes/c7234838-a835-4042-9e15-a9ad20729dd5.json
new file mode 100644
index 000000000..a282d600f
--- /dev/null
+++ b/.autover/changes/c7234838-a835-4042-9e15-a9ad20729dd5.json
@@ -0,0 +1,11 @@
+{
+  "Projects": [
+    {
+      "Name": "Amazon.Lambda.PowerShellHost",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Update System.Security.Cryptography.Xml dependency to address known vulnerabilities (net8.0: 8.0.3 to 9.0.18, net10.0: 10.0.7 to 10.0.10)"
+      ]
+    }
+  ]
+}
diff --git a/Libraries/src/Amazon.Lambda.PowerShellHost/Amazon.Lambda.PowerShellHost.csproj b/Libraries/src/Amazon.Lambda.PowerShellHost/Amazon.Lambda.PowerShellHost.csproj
index 3af3022e1..f4d848f2b 100644
--- a/Libraries/src/Amazon.Lambda.PowerShellHost/Amazon.Lambda.PowerShellHost.csproj
+++ b/Libraries/src/Amazon.Lambda.PowerShellHost/Amazon.Lambda.PowerShellHost.csproj
@@ -14,11 +14,11 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.4.14" />
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="8.0.3" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.18" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net10.0'">
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.6.0" />
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="10.0.7" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="10.0.10" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Amazon.Lambda.Core\Amazon.Lambda.Core.csproj" />