diff --git a/csharp/autobuilder/Semmle.Autobuild.CSharp.Tests/Semmle.Autobuild.CSharp.Tests.csproj b/csharp/autobuilder/Semmle.Autobuild.CSharp.Tests/Semmle.Autobuild.CSharp.Tests.csproj
index a91868fbd80..1d5ac39a96f 100644
--- a/csharp/autobuilder/Semmle.Autobuild.CSharp.Tests/Semmle.Autobuild.CSharp.Tests.csproj
+++ b/csharp/autobuilder/Semmle.Autobuild.CSharp.Tests/Semmle.Autobuild.CSharp.Tests.csproj
@@ -6,17 +6,17 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="System.IO.FileSystem" Version="4.3.0"/>
-		<PackageReference Include="System.IO.FileSystem.Primitives" Version="4.3.0"/>
-		<PackageReference Include="xunit" Version="2.4.1"/>
-		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+		<PackageReference Include="System.IO.FileSystem" Version="4.3.0" />
+		<PackageReference Include="System.IO.FileSystem.Primitives" Version="4.3.0" />
+		<PackageReference Include="xunit" Version="2.4.2" />
+		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0"/>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\Semmle.Autobuild.CSharp\Semmle.Autobuild.CSharp.csproj"/>
-		<ProjectReference Include="..\Semmle.Autobuild.Shared\Semmle.Autobuild.Shared.csproj"/>
+		<ProjectReference Include="..\Semmle.Autobuild.CSharp\Semmle.Autobuild.CSharp.csproj" />
+		<ProjectReference Include="..\Semmle.Autobuild.Shared\Semmle.Autobuild.Shared.csproj" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/autobuilder/Semmle.Autobuild.CSharp/Semmle.Autobuild.CSharp.csproj b/csharp/autobuilder/Semmle.Autobuild.CSharp/Semmle.Autobuild.CSharp.csproj
index 4f712a651d4..d05daec1de0 100644
--- a/csharp/autobuilder/Semmle.Autobuild.CSharp/Semmle.Autobuild.CSharp.csproj
+++ b/csharp/autobuilder/Semmle.Autobuild.CSharp/Semmle.Autobuild.CSharp.csproj
@@ -11,15 +11,15 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<Folder Include="Properties\"/>
+		<Folder Include="Properties\" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Build" Version="16.11.0"/>
-		<PackageReference Include="Newtonsoft.Json" Version="13.0.1"/>
+		<PackageReference Include="Microsoft.Build" Version="17.4.0" />
+		<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\..\extractor\Semmle.Util\Semmle.Util.csproj"/>
-		<ProjectReference Include="..\..\extractor\Semmle.Extraction.CSharp\Semmle.Extraction.CSharp.csproj"/>
-		<ProjectReference Include="..\Semmle.Autobuild.Shared\Semmle.Autobuild.Shared.csproj"/>
+		<ProjectReference Include="..\..\extractor\Semmle.Util\Semmle.Util.csproj" />
+		<ProjectReference Include="..\..\extractor\Semmle.Extraction.CSharp\Semmle.Extraction.CSharp.csproj" />
+		<ProjectReference Include="..\Semmle.Autobuild.Shared\Semmle.Autobuild.Shared.csproj" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/autobuilder/Semmle.Autobuild.Shared/Semmle.Autobuild.Shared.csproj b/csharp/autobuilder/Semmle.Autobuild.Shared/Semmle.Autobuild.Shared.csproj
index d3e24dd6ad5..f76a28f6a0b 100644
--- a/csharp/autobuilder/Semmle.Autobuild.Shared/Semmle.Autobuild.Shared.csproj
+++ b/csharp/autobuilder/Semmle.Autobuild.Shared/Semmle.Autobuild.Shared.csproj
@@ -8,12 +8,12 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<Folder Include="Properties\"/>
+		<Folder Include="Properties\" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Build" Version="16.11.0"/>
+		<PackageReference Include="Microsoft.Build" Version="17.4.0" />
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\..\extractor\Semmle.Util\Semmle.Util.csproj"/>
+		<ProjectReference Include="..\..\extractor\Semmle.Util\Semmle.Util.csproj" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj b/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj
index 8dc6d8a9f76..2d9263eb24e 100644
--- a/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj
+++ b/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.DiaSymReader" Version="1.3.0" />
+    <PackageReference Include="Microsoft.DiaSymReader" Version="1.4.0" />
     <PackageReference Include="Microsoft.DiaSymReader.Native" Version="1.7.0" />
     <PackageReference Include="Microsoft.DiaSymReader.PortablePdb" Version="1.6.0"><IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 <PrivateAssets>all</PrivateAssets>
diff --git a/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj b/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj
index 5546278e93c..c02999c9acd 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj
+++ b/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj
@@ -12,17 +12,17 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\Semmle.Extraction.CSharp\Semmle.Extraction.CSharp.csproj"/>
-		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj"/>
+		<ProjectReference Include="..\Semmle.Extraction.CSharp\Semmle.Extraction.CSharp.csproj" />
+		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj" />
 	</ItemGroup>
 	<ItemGroup>
-		<Folder Include="Properties\"/>
+		<Folder Include="Properties\" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Build" Version="16.11.0"/>
-		<PackageReference Include="Microsoft.Win32.Primitives" Version="4.3.0"/>
-		<PackageReference Include="System.Net.Primitives" Version="4.3.1"/>
-		<PackageReference Include="System.Security.Principal" Version="4.3.0"/>
-		<PackageReference Include="System.Threading.ThreadPool" Version="4.3.0"/>
+		<PackageReference Include="Microsoft.Build" Version="17.4.0" />
+		<PackageReference Include="Microsoft.Win32.Primitives" Version="4.3.0" />
+		<PackageReference Include="System.Net.Primitives" Version="4.3.1" />
+		<PackageReference Include="System.Security.Principal" Version="4.3.0" />
+		<PackageReference Include="System.Threading.ThreadPool" Version="4.3.0" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj b/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj
index 77e204997b3..02d1e96558d 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj
+++ b/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj
@@ -10,15 +10,15 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\Semmle.Extraction.CIL\Semmle.Extraction.CIL.csproj"/>
-		<ProjectReference Include="..\Semmle.Extraction\Semmle.Extraction.csproj"/>
-		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj"/>
+		<ProjectReference Include="..\Semmle.Extraction.CIL\Semmle.Extraction.CIL.csproj" />
+		<ProjectReference Include="..\Semmle.Extraction\Semmle.Extraction.csproj" />
+		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj" />
 	</ItemGroup>
 	<ItemGroup>
-		<Folder Include="Properties\"/>
+		<Folder Include="Properties\" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1"/>
-		<PackageReference Include="Microsoft.Build" Version="16.11.0"/>
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.4.0" />
+		<PackageReference Include="Microsoft.Build" Version="17.4.0" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj b/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj
index c4fa93f9697..e75d4c779ae 100644
--- a/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj
+++ b/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj
@@ -6,19 +6,19 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="System.IO.FileSystem" Version="4.3.0"/>
-		<PackageReference Include="System.IO.FileSystem.Primitives" Version="4.3.0"/>
-		<PackageReference Include="xunit" Version="2.4.1"/>
-		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+		<PackageReference Include="System.IO.FileSystem" Version="4.3.0" />
+		<PackageReference Include="System.IO.FileSystem.Primitives" Version="4.3.0" />
+		<PackageReference Include="xunit" Version="2.4.2" />
+		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0"/>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\Semmle.Extraction.CSharp.Standalone\Semmle.Extraction.CSharp.Standalone.csproj"/>
-		<ProjectReference Include="..\Semmle.Extraction.CSharp\Semmle.Extraction.CSharp.csproj"/>
-		<ProjectReference Include="..\Semmle.Extraction\Semmle.Extraction.csproj"/>
-		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj"/>
+		<ProjectReference Include="..\Semmle.Extraction.CSharp.Standalone\Semmle.Extraction.CSharp.Standalone.csproj" />
+		<ProjectReference Include="..\Semmle.Extraction.CSharp\Semmle.Extraction.CSharp.csproj" />
+		<ProjectReference Include="..\Semmle.Extraction\Semmle.Extraction.csproj" />
+		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj b/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj
index f647003ebf0..b93f3a40043 100644
--- a/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj
+++ b/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj
@@ -12,13 +12,13 @@
 		<DefineConstants>TRACE;DEBUG;DEBUG_LABELS</DefineConstants>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis" Version="4.0.1"/>
+		<PackageReference Include="Microsoft.CodeAnalysis" Version="4.4.0" />
 		<PackageReference Include="GitInfo" Version="2.2.0">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference>
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj"/>
+		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj b/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj
index 7447a7e82c1..9edca915bd0 100644
--- a/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj
+++ b/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj
@@ -6,14 +6,14 @@
 		<Nullable>enable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="xunit" Version="2.4.1"/>
-		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+		<PackageReference Include="xunit" Version="2.4.2" />
+		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0"/>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj"/>
+		<ProjectReference Include="..\Semmle.Util\Semmle.Util.csproj" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/csharp/ql/integration-tests/posix-only/dotnet_test/dotnet_test.csproj b/csharp/ql/integration-tests/posix-only/dotnet_test/dotnet_test.csproj
index 50852359bb8..a2fd6979adf 100644
--- a/csharp/ql/integration-tests/posix-only/dotnet_test/dotnet_test.csproj
+++ b/csharp/ql/integration-tests/posix-only/dotnet_test/dotnet_test.csproj
@@ -8,10 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-    <PackageReference Include="NUnit" Version="3.13.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
-    <PackageReference Include="coverlet.collector" Version="3.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.3.0" />
+    <PackageReference Include="coverlet.collector" Version="3.2.0" />
   </ItemGroup>
 
 </Project>