diff --git a/CliFx.Analyzers/CliFx.Analyzers.csproj b/CliFx.Analyzers/CliFx.Analyzers.csproj
index 841f807..d20a596 100644
--- a/CliFx.Analyzers/CliFx.Analyzers.csproj
+++ b/CliFx.Analyzers/CliFx.Analyzers.csproj
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.5.0" PrivateAssets="all" />
-    <PackageReference Include="PolyShim" Version="1.0.0" PrivateAssets="all" />
+    <PackageReference Include="PolyShim" Version="1.1.0" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/CliFx/CliFx.csproj b/CliFx/CliFx.csproj
index 4bd0f0e..570b1e2 100644
--- a/CliFx/CliFx.csproj
+++ b/CliFx/CliFx.csproj
@@ -27,7 +27,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
-    <PackageReference Include="PolyShim" Version="1.0.0" PrivateAssets="all" />
+    <PackageReference Include="PolyShim" Version="1.1.0" PrivateAssets="all" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
   </ItemGroup>