diff --git a/Directory.Packages.props b/Directory.Packages.props
index 1ba3a3f..f7a1bba 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -8,6 +8,6 @@
     <PackageVersion Include="DocumentFormat.OpenXml" Version="3.5.1" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="xunit" Version="2.9.3" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
 </Project>
diff --git a/tests/CellSharp.Tests/packages.lock.json b/tests/CellSharp.Tests/packages.lock.json
index b37b1e3..7da6ff0 100644
--- a/tests/CellSharp.Tests/packages.lock.json
+++ b/tests/CellSharp.Tests/packages.lock.json
@@ -34,9 +34,9 @@
       },
       "xunit.runner.visualstudio": {
         "type": "Direct",
-        "requested": "[2.8.2, )",
-        "resolved": "2.8.2",
-        "contentHash": "vm1tbfXhFmjFMUmS4M0J0ASXz3/U5XvXBa6DOQUL3fEz4Vt6YPhv+ESCarx6M6D+9kJkJYZKCNvJMas1+nVfmQ=="
+        "requested": "[3.1.5, )",
+        "resolved": "3.1.5",
+        "contentHash": "tKi7dSTwP4m5m9eXPM2Ime4Kn7xNf4x4zT9sdLO/G4hZVnQCRiMTWoSZqI/pYTVeI27oPPqHBKYI/DjJ9GsYgA=="
       },
       "DocumentFormat.OpenXml.Framework": {
         "type": "Transitive",