diff --git a/src/IDeepCloneable.Generator.Source/IDeepCloneable.Generator.Source.csproj b/src/IDeepCloneable.Generator.Source/IDeepCloneable.Generator.Source.csproj
index 8a0de7c..d9e5665 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="10.6.0" Condition="!Exists('packages.config')">
+    <PackageReference Include="Polyfill" Version="10.7.2" 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 daad9fa..a5399ff 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": "[10.6.0, )",
-        "resolved": "10.6.0",
-        "contentHash": "kwXDNPxr2+Xgg2xS1FByWx3gDB6rWtieDZQoReMsf2lOeVyRvoAd5MKxIaD+9lWaBX0ugKteCKhDJ/eZf9sbRA=="
+        "requested": "[10.7.2, )",
+        "resolved": "10.7.2",
+        "contentHash": "9RRokGV4h5lcNy24N0R6Lve7ML/SwtmYw7FnVwNQFeUvOOsrTofXss6sfasAJhbjFnG4hEXD8TTqfTawBocFVw=="
       },
       "SonarAnalyzer.CSharp": {
         "type": "Direct",
         "requested": "[10.*, )",
-        "resolved": "10.25.0.139117",
-        "contentHash": "2iBZIkcgsaUNyIPFqR9ECv5PLbAwV9I/v/PeEiMdkfhWEAnqD7VyNXzukQDlL/D24f5OoUc4MbWF5SgYI7x3CA=="
+        "resolved": "10.27.0.140913",
+        "contentHash": "cxk12QjN9io1SjN36B1QO+9dRf+ek2CGfQGsOWtHBojE35cKchKJod48raxZwe47jHhzmAUO4AJSh7+hF0GS4g=="
       },
       "Microsoft.CodeAnalysis.Analyzers": {
         "type": "Transitive",
diff --git a/src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj b/src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj
index 4ca1e82..c9e2a23 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="10.6.0" Condition="!Exists('packages.config')">
+    <PackageReference Include="Polyfill" Version="10.7.2" 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 2c87413..bbca3bc 100644
--- a/src/IDeepCloneable.Generator/packages.lock.json
+++ b/src/IDeepCloneable.Generator/packages.lock.json
@@ -40,15 +40,15 @@
       },
       "Polyfill": {
         "type": "Direct",
-        "requested": "[10.6.0, )",
-        "resolved": "10.6.0",
-        "contentHash": "kwXDNPxr2+Xgg2xS1FByWx3gDB6rWtieDZQoReMsf2lOeVyRvoAd5MKxIaD+9lWaBX0ugKteCKhDJ/eZf9sbRA=="
+        "requested": "[10.7.2, )",
+        "resolved": "10.7.2",
+        "contentHash": "9RRokGV4h5lcNy24N0R6Lve7ML/SwtmYw7FnVwNQFeUvOOsrTofXss6sfasAJhbjFnG4hEXD8TTqfTawBocFVw=="
       },
       "SonarAnalyzer.CSharp": {
         "type": "Direct",
         "requested": "[10.*, )",
-        "resolved": "10.26.0.140279",
-        "contentHash": "n6+KDAbvKCJs0oYIQlxFdsmvcj1YSJ7TiqEd5jYq58T1s1Q4bwymFMeVFGDUyDKqSH9YO/7Fobvm0u9WJ7MaRQ=="
+        "resolved": "10.27.0.140913",
+        "contentHash": "cxk12QjN9io1SjN36B1QO+9dRf+ek2CGfQGsOWtHBojE35cKchKJod48raxZwe47jHhzmAUO4AJSh7+hF0GS4g=="
       },
       "Microsoft.CodeAnalysis.Common": {
         "type": "Transitive",