diff --git a/Package.swift b/Package.swift
index 4916e76a..9bc671a4 100644
--- a/Package.swift
+++ b/Package.swift
@@ -73,7 +73,7 @@ let package = Package(
         // Read OpenAPI documents
         .package(
             url: "https://github.com/mattpolzin/OpenAPIKit.git",
-            exact: "3.0.0-beta.5"
+            exact: "3.0.0-rc.2"
         ),
         .package(
             url: "https://github.com/jpsim/Yams.git",
diff --git a/Tests/OpenAPIGeneratorCoreTests/Translator/CommonTypes/Test_DiscriminatorExtensions.swift b/Tests/OpenAPIGeneratorCoreTests/Translator/CommonTypes/Test_DiscriminatorExtensions.swift
index b145a0be..44099fea 100644
--- a/Tests/OpenAPIGeneratorCoreTests/Translator/CommonTypes/Test_DiscriminatorExtensions.swift
+++ b/Tests/OpenAPIGeneratorCoreTests/Translator/CommonTypes/Test_DiscriminatorExtensions.swift
@@ -29,7 +29,7 @@ final class Test_DiscriminatorExtensions: Test_Core {
     func testMappedTypes() throws {
         let typeAssigner = makeTranslator().typeAssigner
         func _test(
-            mapping: [String: String]?,
+            mapping: OrderedDictionary<String, String>?,
             schemaNames: [String],
             expectedOutputs: [Output],
             file: StaticString = #file,