diff --git a/LICENSES/LicenseRef-fourtf-chatterino-sound-license.txt b/LICENSES/LicenseRef-fourtf-chatterino-sound-license.txt
new file mode 100644
index 000000000..6603897e8
--- /dev/null
+++ b/LICENSES/LicenseRef-fourtf-chatterino-sound-license.txt
@@ -0,0 +1,9 @@
+Copyright (c) 2016 fourtf
+
+Permission is granted to use, copy, and distribute this sound effect:
+
+- as part of Chatterino and derivative versions of Chatterino;
+- in recordings, streams, or demonstrations of Chatterino or its derivatives, without attribution;
+- in other software, provided it is clearly identified as the "Chatterino notification sound."
+
+Any other use requires prior permission from the copyright holder.
diff --git a/resources/sounds/REUSE.toml b/resources/sounds/REUSE.toml
new file mode 100644
index 000000000..a62c4f7ef
--- /dev/null
+++ b/resources/sounds/REUSE.toml
@@ -0,0 +1,9 @@
+# SPDX-FileCopyrightText: 2026 Rasmus Karlsson <rasmus.karlsson@pajlada.com>
+# SPDX-License-Identifier: CC0-1.0
+
+version = 1
+
+[[annotations]]
+path = "ping2.wav"
+SPDX-FileCopyrightText = "Copyright (c) 2016 fourtf"
+SPDX-License-Identifier = "LicenseRef-fourtf-chatterino-sound-license"