diff --git a/src/CliWrap.Tests.Dummy/CliWrap.Tests.Dummy.csproj b/src/CliWrap.Tests.Dummy/CliWrap.Tests.Dummy.csproj
index 043538f..5c82950 100644
--- a/src/CliWrap.Tests.Dummy/CliWrap.Tests.Dummy.csproj
+++ b/src/CliWrap.Tests.Dummy/CliWrap.Tests.Dummy.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="CliFx" Version="2.3.5" />
-    <PackageReference Include="PolyShim" Version="1.12.0" PrivateAssets="all" />
+    <PackageReference Include="PolyShim" Version="1.13.0" PrivateAssets="all" />
     <PackageReference Include="System.Memory" Version="4.5.5" />
   </ItemGroup>