diff --git a/Sources/_CryptoExtras/CMakeLists.txt b/Sources/_CryptoExtras/CMakeLists.txt
index b2d05631..6b42ff9f 100644
--- a/Sources/_CryptoExtras/CMakeLists.txt
+++ b/Sources/_CryptoExtras/CMakeLists.txt
@@ -25,6 +25,7 @@ add_library(_CryptoExtras
   "RSA/RSA.swift"
   "RSA/RSA_boring.swift"
   "RSA/RSA_security.swift"
+  "SLHDSA/SLHDSA_boring.swift"
   "Util/BoringSSLHelpers.swift"
   "Util/CryptoKitErrors_boring.swift"
   "Util/DigestType.swift"
diff --git a/Sources/_CryptoExtras/SLHDSA/SLHDSA_boring.swift b/Sources/_CryptoExtras/SLHDSA/SLHDSA_boring.swift
index 18e4d27f..7a9ac04a 100644
--- a/Sources/_CryptoExtras/SLHDSA/SLHDSA_boring.swift
+++ b/Sources/_CryptoExtras/SLHDSA/SLHDSA_boring.swift
@@ -6,7 +6,7 @@
 // Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
-// See CONTRIBUTORS.md for the list of SwiftCrypto project authors
+// See CONTRIBUTORS.txt for the list of SwiftCrypto project authors
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/Tests/_CryptoExtrasTests/SLHDSATests.swift b/Tests/_CryptoExtrasTests/SLHDSATests.swift
index e6be48a8..a71a0d89 100644
--- a/Tests/_CryptoExtrasTests/SLHDSATests.swift
+++ b/Tests/_CryptoExtrasTests/SLHDSATests.swift
@@ -6,7 +6,7 @@
 // Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
-// See CONTRIBUTORS.md for the list of SwiftCrypto project authors
+// See CONTRIBUTORS.txt for the list of SwiftCrypto project authors
 //
 // SPDX-License-Identifier: Apache-2.0
 //