diff --git a/src/FunctionalStateMachine.CommandRunner/FunctionalStateMachine.CommandRunner.csproj b/src/FunctionalStateMachine.CommandRunner/FunctionalStateMachine.CommandRunner.csproj
index 713691e..f11754c 100644
--- a/src/FunctionalStateMachine.CommandRunner/FunctionalStateMachine.CommandRunner.csproj
+++ b/src/FunctionalStateMachine.CommandRunner/FunctionalStateMachine.CommandRunner.csproj
@@ -22,7 +22,7 @@
 
     <!-- Polyfills for C# 9+ features on netstandard2.0 -->
     <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-        <PackageReference Include="PolySharp" Version="1.15.0" PrivateAssets="all" />
+        <PackageReference Include="PolySharp" Version="1.16.0" PrivateAssets="all" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/src/FunctionalStateMachine.Core/FunctionalStateMachine.Core.csproj b/src/FunctionalStateMachine.Core/FunctionalStateMachine.Core.csproj
index 4ae4846..ea43947 100644
--- a/src/FunctionalStateMachine.Core/FunctionalStateMachine.Core.csproj
+++ b/src/FunctionalStateMachine.Core/FunctionalStateMachine.Core.csproj
@@ -22,7 +22,7 @@
 
     <!-- Polyfills for C# 9+ features on netstandard2.0 -->
     <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-        <PackageReference Include="PolySharp" Version="1.15.0" PrivateAssets="all" />
+        <PackageReference Include="PolySharp" Version="1.16.0" PrivateAssets="all" />
     </ItemGroup>
 
     <ItemGroup>