diff --git a/src/IDeepCloneable.Generator.Source/IDeepCloneable.Generator.Source.csproj b/src/IDeepCloneable.Generator.Source/IDeepCloneable.Generator.Source.csproj
index e2f00a8..22b4ea3 100644
--- a/src/IDeepCloneable.Generator.Source/IDeepCloneable.Generator.Source.csproj
+++ b/src/IDeepCloneable.Generator.Source/IDeepCloneable.Generator.Source.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="lint4sg" Version="0.1.6" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.4.0" />
-    <PackageReference Include="Polyfill" Version="10.11.1" Condition="!Exists('packages.config')">
+    <PackageReference Include="Polyfill" Version="10.11.2" Condition="!Exists('packages.config')">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/src/IDeepCloneable.Generator.Source/packages.lock.json b/src/IDeepCloneable.Generator.Source/packages.lock.json
index 4b2014a..c97697f 100644
--- a/src/IDeepCloneable.Generator.Source/packages.lock.json
+++ b/src/IDeepCloneable.Generator.Source/packages.lock.json
@@ -34,15 +34,15 @@
       },
       "Polyfill": {
         "type": "Direct",
-        "requested": "[10.11.1, )",
-        "resolved": "10.11.1",
-        "contentHash": "SeryCUevv4WJc2QxLZKJJM8wfR7DLqvM10u01lkHXv0qhFuN0oPRIuujxpgUyBZozpnx92DF6weUEptEaupj4Q=="
+        "requested": "[10.11.2, )",
+        "resolved": "10.11.2",
+        "contentHash": "UpCgr4Fp/wUpmUCX+Lgr5k6OIWpayaze1dYGfnTLqfga9HtnE7qqxyKFf8MCNUWZ7XO+sG7mE5BY9N63Kyu/jQ=="
       },
       "SonarAnalyzer.CSharp": {
         "type": "Direct",
         "requested": "[10.*, )",
-        "resolved": "10.27.0.140913",
-        "contentHash": "cxk12QjN9io1SjN36B1QO+9dRf+ek2CGfQGsOWtHBojE35cKchKJod48raxZwe47jHhzmAUO4AJSh7+hF0GS4g=="
+        "resolved": "10.28.0.143324",
+        "contentHash": "ZnmYHFiQw2Aph2ft9c7UqVrqe79aZR5l7oeG59+sgrSAO9J159meglP1Zo34+Mcw4etIUTC9btYnP0Ar/rQIyg=="
       },
       "Microsoft.CodeAnalysis.Analyzers": {
         "type": "Transitive",
diff --git a/src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj b/src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj
index 19d2b09..15ceda9 100644
--- a/src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj
+++ b/src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj
@@ -28,7 +28,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Polyfill" Version="10.11.1" Condition="!Exists('packages.config')">
+    <PackageReference Include="Polyfill" Version="10.11.2" Condition="!Exists('packages.config')">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/src/IDeepCloneable.Generator/packages.lock.json b/src/IDeepCloneable.Generator/packages.lock.json
index 42fbef0..5f6bc1a 100644
--- a/src/IDeepCloneable.Generator/packages.lock.json
+++ b/src/IDeepCloneable.Generator/packages.lock.json
@@ -40,15 +40,15 @@
       },
       "Polyfill": {
         "type": "Direct",
-        "requested": "[10.11.1, )",
-        "resolved": "10.11.1",
-        "contentHash": "SeryCUevv4WJc2QxLZKJJM8wfR7DLqvM10u01lkHXv0qhFuN0oPRIuujxpgUyBZozpnx92DF6weUEptEaupj4Q=="
+        "requested": "[10.11.2, )",
+        "resolved": "10.11.2",
+        "contentHash": "UpCgr4Fp/wUpmUCX+Lgr5k6OIWpayaze1dYGfnTLqfga9HtnE7qqxyKFf8MCNUWZ7XO+sG7mE5BY9N63Kyu/jQ=="
       },
       "SonarAnalyzer.CSharp": {
         "type": "Direct",
         "requested": "[10.*, )",
-        "resolved": "10.27.0.140913",
-        "contentHash": "cxk12QjN9io1SjN36B1QO+9dRf+ek2CGfQGsOWtHBojE35cKchKJod48raxZwe47jHhzmAUO4AJSh7+hF0GS4g=="
+        "resolved": "10.28.0.143324",
+        "contentHash": "ZnmYHFiQw2Aph2ft9c7UqVrqe79aZR5l7oeG59+sgrSAO9J159meglP1Zo34+Mcw4etIUTC9btYnP0Ar/rQIyg=="
       },
       "Microsoft.CodeAnalysis.Common": {
         "type": "Transitive",