diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 421c4b7..ec205ff 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -3,13 +3,13 @@
   "isRoot": true,
   "tools": {
     "nbgv": {
-      "version": "3.7.115",
+      "version": "3.9.50",
       "commands": [
         "nbgv"
       ]
     },
     "docfx": {
-      "version": "2.78.3",
+      "version": "2.78.4",
       "commands": [
         "docfx"
       ]
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 7a2fc34..40495d0 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -8,7 +8,7 @@
   
   <ItemGroup>
     <PackageVersion Include="PolySharp" Version="1.15.0" />
-    <PackageVersion Include="System.Collections.Immutable" Version="9.0.4" />
+    <PackageVersion Include="System.Collections.Immutable" Version="9.0.13" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />
   </ItemGroup>
 
@@ -16,7 +16,7 @@
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="all"/>
     <GlobalPackageReference Include="CSharpIsNullAnalyzer" Version="0.1.593" />
     <GlobalPackageReference Include="DotNetAnalyzers.DocumentationAnalyzers" Version="1.0.0-beta.59" />
-    <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.7.115" PrivateAssets="all" />
+    <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.9.50" PrivateAssets="all" />
     <GlobalPackageReference Include="Nullable" Version="1.3.1" />
   </ItemGroup>
 
diff --git a/test/Directory.Packages.props b/test/Directory.Packages.props
index 4dc8cfa..fdddfe4 100644
--- a/test/Directory.Packages.props
+++ b/test/Directory.Packages.props
@@ -6,8 +6,8 @@
   <ItemGroup>
     <GlobalPackageReference Include="coverlet.msbuild" Version="6.0.4" />
     <GlobalPackageReference Include="JunitXml.TestLogger" Version="5.0.0" />
-    <GlobalPackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <GlobalPackageReference Include="xunit.runner.visualstudio" Version="3.1.0" />
+    <GlobalPackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <GlobalPackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
 
   <ItemGroup>