diff --git a/Package.swift b/Package.swift
index 47312ccd..55102874 100644
--- a/Package.swift
+++ b/Package.swift
@@ -191,7 +191,7 @@ let package = Package(
 
   ],
   dependencies: [
-    .package(url: "https://github.com/swiftlang/swift-syntax", from: "600.0.1"),
+    .package(url: "https://github.com/swiftlang/swift-syntax", from: "601.0.1"),
     .package(url: "https://github.com/apple/swift-argument-parser", from: "1.5.0"),
     .package(url: "https://github.com/apple/swift-system", from: "1.4.0"),
 
diff --git a/Sources/JExtractSwiftLib/SwiftTypes/SwiftType.swift b/Sources/JExtractSwiftLib/SwiftTypes/SwiftType.swift
index 5b0d8961..353b9b31 100644
--- a/Sources/JExtractSwiftLib/SwiftTypes/SwiftType.swift
+++ b/Sources/JExtractSwiftLib/SwiftTypes/SwiftType.swift
@@ -180,7 +180,12 @@ extension SwiftType {
       // Translate the generic arguments.
       let genericArgs = try identifierType.genericArgumentClause.map { genericArgumentClause in
         try genericArgumentClause.arguments.map { argument in
-          try SwiftType(argument.argument, symbolTable: symbolTable)
+          switch argument.argument {
+          case .type(let argumentTy):
+            try SwiftType(argumentTy, symbolTable: symbolTable)
+          default:
+            throw TypeTranslationError.unimplementedType(type)
+          }
         }
       }
 
@@ -210,7 +215,12 @@ extension SwiftType {
       // Translate the generic arguments.
       let genericArgs = try memberType.genericArgumentClause.map { genericArgumentClause in
         try genericArgumentClause.arguments.map { argument in
-          try SwiftType(argument.argument, symbolTable: symbolTable)
+          switch argument.argument {
+          case .type(let argumentTy):
+            try SwiftType(argumentTy, symbolTable: symbolTable)
+          default:
+            throw TypeTranslationError.unimplementedType(type)
+          }
         }
       }