diff --git a/Package.swift b/Package.swift
index 4c8cd945a..bdc656e5c 100644
--- a/Package.swift
+++ b/Package.swift
@@ -562,7 +562,10 @@ var targets: [Target] = [
       .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
       // Depend on `SwiftCompilerPlugin` and `SwiftSyntaxMacros` so the modules are built before running tests and can
       // be used by test cases that test macros (see `SwiftPMTestProject.macroPackageManifest`)
-    ] + swiftSyntaxDependencies(["SwiftParser", "SwiftSyntax", "SwiftCompilerPlugin", "SwiftSyntaxMacros"]),
+    ]
+      + swiftSyntaxDependencies([
+        "SwiftIfConfig", "SwiftParser", "SwiftSyntax", "SwiftCompilerPlugin", "SwiftSyntaxMacros",
+      ]),
     swiftSettings: globalSwiftSettings
   ),
 
diff --git a/Sources/SKTestSupport/SwiftPMTestProject.swift b/Sources/SKTestSupport/SwiftPMTestProject.swift
index 54e975ad5..12a806906 100644
--- a/Sources/SKTestSupport/SwiftPMTestProject.swift
+++ b/Sources/SKTestSupport/SwiftPMTestProject.swift
@@ -105,6 +105,7 @@ package class SwiftPMTestProject: MultiFileTestProject {
         "SwiftCompilerPlugin",
         "SwiftCompilerPluginMessageHandling",
         "SwiftDiagnostics",
+        "SwiftIfConfig",
         "SwiftOperators",
         "SwiftParser",
         "SwiftParserDiagnostics",