diff --git a/Directory.Packages.props b/Directory.Packages.props
index d116751ae7..4c5245ea60 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -256,7 +256,7 @@
     <!-- The memex test container package (src/MeshWeaver.Testcontainers): a real memex from the
          platform build as a test substrate, the way Testcontainers.PostgreSql gives a test a real
          Postgres. Same version as the test tree pins. -->
-    <PackageVersion Include="Testcontainers" Version="4.15.0" />
+    <PackageVersion Include="Testcontainers" Version="4.16.0" />
     <PackageVersion Include="SSH.NET" Version="2026.0.0" /> <!-- High GHSA-q939-rpr3-3284; transitive via Testcontainers, direct-ref override in test/Directory.Build.props -->
     <!-- 🚨 THESE TWO ARE ONE FAMILY AND MUST MOVE TOGETHER — they were SPLIT, and the split was
          invisible because both halves were green.
@@ -330,11 +330,11 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageVersion Include="UglyToad.PdfPig" Version="1.7.0-custom-5" />
     <PackageVersion Include="Verify.XunitV3" Version="31.28.0" />
-    <PackageVersion Include="xunit.v3" Version="4.0.1" />
-    <PackageVersion Include="xunit.v3.assert" Version="4.0.1" />
-    <PackageVersion Include="xunit.v3.extensibility.core" Version="4.0.1" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="4.0.0" />
-    <PackageVersion Include="xunit.v3.runner.console" Version="4.0.1" />
+    <PackageVersion Include="xunit.v3" Version="4.0.2" />
+    <PackageVersion Include="xunit.v3.assert" Version="4.0.2" />
+    <PackageVersion Include="xunit.v3.extensibility.core" Version="4.0.2" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="4.0.1" />
+    <PackageVersion Include="xunit.v3.runner.console" Version="4.0.2" />
     <PackageVersion Include="NSubstitute" Version="6.2.0" />
     <PackageVersion Include="Octokit" Version="14.0.0" />
     <PackageVersion Include="Octokit.Reactive" Version="14.0.0" />