diff --git a/Directory.Packages.props b/Directory.Packages.props
index ccf90de4970..da0997d8e47 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="HtmlAgilityPack" Version="1.13.0" />
-    <PackageVersion Include="ICSharpCode.Decompiler" Version="9.1.0.7988" />
+    <PackageVersion Include="ICSharpCode.Decompiler" Version="11.1.0.9782" />
     <PackageVersion Include="Jint" Version="4.16.3" />
     <PackageVersion Include="JsonSchema.Net" Version="[8.0.5]" />
     <PackageVersion Include="Markdig" Version="1.4.0" />
diff --git a/test/Docfx.Dotnet.Tests/GenerateMetadataFromAssemblyTest.cs b/test/Docfx.Dotnet.Tests/GenerateMetadataFromAssemblyTest.cs
index eceb01ef205..9c79457cff7 100644
--- a/test/Docfx.Dotnet.Tests/GenerateMetadataFromAssemblyTest.cs
+++ b/test/Docfx.Dotnet.Tests/GenerateMetadataFromAssemblyTest.cs
@@ -55,16 +55,16 @@ public void TestGenerateMetadataFromAssemblyWithReferences()
             Assert.Equal("XmlTasks.ToNamespace(string, string)", method.DisplayNamesWithType[SyntaxLanguage.CSharp]);
             Assert.Equal("TupleLibrary.XmlTasks.ToNamespace(string, string)", method.DisplayQualifiedNames[SyntaxLanguage.CSharp]);
 
-            Assert.Equal("public (string, string) ToNamespace(string prefix, string uri)", method.Syntax.Content[SyntaxLanguage.CSharp]);
+            Assert.Equal("public (string prefix, string uri) ToNamespace(string prefix, string uri)", method.Syntax.Content[SyntaxLanguage.CSharp]);
         }
 
         {
             var method = @class.Items.Single(i => i.Name == "TupleLibrary.XmlTasks.XmlPeek(System.String,System.ValueTuple{System.String,System.String}[])");
-            Assert.Equal("XmlPeek(string, params (string, string)[])", method.DisplayNames[SyntaxLanguage.CSharp]);
-            Assert.Equal("XmlTasks.XmlPeek(string, params (string, string)[])", method.DisplayNamesWithType[SyntaxLanguage.CSharp]);
-            Assert.Equal("TupleLibrary.XmlTasks.XmlPeek(string, params (string, string)[])", method.DisplayQualifiedNames[SyntaxLanguage.CSharp]);
+            Assert.Equal("XmlPeek(string, params (string prefix, string uri)[])", method.DisplayNames[SyntaxLanguage.CSharp]);
+            Assert.Equal("XmlTasks.XmlPeek(string, params (string prefix, string uri)[])", method.DisplayNamesWithType[SyntaxLanguage.CSharp]);
+            Assert.Equal("TupleLibrary.XmlTasks.XmlPeek(string, params (string prefix, string uri)[])", method.DisplayQualifiedNames[SyntaxLanguage.CSharp]);
 
-            Assert.Equal("public string XmlPeek(string xpath, params (string, string)[] namespaces)", method.Syntax.Content[SyntaxLanguage.CSharp]);
+            Assert.Equal("public string XmlPeek(string xpath, params (string prefix, string uri)[] namespaces)", method.Syntax.Content[SyntaxLanguage.CSharp]);
         }
     }
 }