diff --git a/src/catch2/internal/catch_test_case_info_hasher.cpp b/src/catch2/internal/catch_test_case_info_hasher.cpp
index 75acc978..692d066c 100644
--- a/src/catch2/internal/catch_test_case_info_hasher.cpp
+++ b/src/catch2/internal/catch_test_case_info_hasher.cpp
@@ -1,3 +1,11 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE_1_0.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
 #include <catch2/catch_test_case_info.hpp>
 #include <catch2/internal/catch_test_case_info_hasher.hpp>
 
diff --git a/src/catch2/internal/catch_test_case_info_hasher.hpp b/src/catch2/internal/catch_test_case_info_hasher.hpp
index 954bdcde..afe23355 100644
--- a/src/catch2/internal/catch_test_case_info_hasher.hpp
+++ b/src/catch2/internal/catch_test_case_info_hasher.hpp
@@ -1,3 +1,10 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE_1_0.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
 #ifndef CATCH_TEST_CASE_INFO_HASHER_HPP_INCLUDED
 #define CATCH_TEST_CASE_INFO_HASHER_HPP_INCLUDED
 
diff --git a/tests/SelfTest/IntrospectiveTests/TestCaseInfoHasher.tests.cpp b/tests/SelfTest/IntrospectiveTests/TestCaseInfoHasher.tests.cpp
index 45007360..a3c1d651 100644
--- a/tests/SelfTest/IntrospectiveTests/TestCaseInfoHasher.tests.cpp
+++ b/tests/SelfTest/IntrospectiveTests/TestCaseInfoHasher.tests.cpp
@@ -1,3 +1,11 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE_1_0.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
 #include <catch2/catch_test_macros.hpp>
 #include <catch2/catch_test_case_info.hpp>
 #include <catch2/internal/catch_test_case_info_hasher.hpp>