diff --git a/samples/ZeroAlloc.Mapping.AotSmoke/ZeroAlloc.Mapping.AotSmoke.csproj b/samples/ZeroAlloc.Mapping.AotSmoke/ZeroAlloc.Mapping.AotSmoke.csproj
index 98b5b21..000429b 100644
--- a/samples/ZeroAlloc.Mapping.AotSmoke/ZeroAlloc.Mapping.AotSmoke.csproj
+++ b/samples/ZeroAlloc.Mapping.AotSmoke/ZeroAlloc.Mapping.AotSmoke.csproj
@@ -27,7 +27,7 @@
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   <ItemGroup>
-    <PackageReference Include="ZeroAlloc.TestHelpers" Version="1.*">
+    <PackageReference Include="ZeroAlloc.TestHelpers" Version="1.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>contentfiles;build</IncludeAssets>
     </PackageReference>
diff --git a/tests/ZeroAlloc.Mapping.Generator.Tests/ZeroAlloc.Mapping.Generator.Tests.csproj b/tests/ZeroAlloc.Mapping.Generator.Tests/ZeroAlloc.Mapping.Generator.Tests.csproj
index 637c080..af8d9ca 100644
--- a/tests/ZeroAlloc.Mapping.Generator.Tests/ZeroAlloc.Mapping.Generator.Tests.csproj
+++ b/tests/ZeroAlloc.Mapping.Generator.Tests/ZeroAlloc.Mapping.Generator.Tests.csproj
@@ -6,10 +6,10 @@
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   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.*" />
-    <PackageReference Include="xunit" Version="2.*" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.*" />
-    <PackageReference Include="Verify.Xunit" Version="28.*" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+    <PackageReference Include="Verify.Xunit" Version="28.16.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
   </ItemGroup>
   <ItemGroup>
diff --git a/tests/ZeroAlloc.Mapping.Tests/ZeroAlloc.Mapping.Tests.csproj b/tests/ZeroAlloc.Mapping.Tests/ZeroAlloc.Mapping.Tests.csproj
index fcf322c..7e6ce0a 100644
--- a/tests/ZeroAlloc.Mapping.Tests/ZeroAlloc.Mapping.Tests.csproj
+++ b/tests/ZeroAlloc.Mapping.Tests/ZeroAlloc.Mapping.Tests.csproj
@@ -6,10 +6,10 @@
     <NoWarn>$(NoWarn);HLQ001;HLQ005;MA0002;MA0004;MA0047;MA0048;MA0074;NU1608;NU1701;EPC12</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.*" />
-    <PackageReference Include="xunit" Version="2.*" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.*" />
-    <PackageReference Include="ZeroAlloc.TestHelpers" Version="1.*">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+    <PackageReference Include="ZeroAlloc.TestHelpers" Version="1.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>contentfiles;build</IncludeAssets>
     </PackageReference>