diff --git a/build.rs b/build.rs
index 6accd53..c6dc53c 100644
--- a/build.rs
+++ b/build.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 use std::process::Command;
diff --git a/clippy.sh b/clippy.sh
index edd144e..7e03e99 100755
--- a/clippy.sh
+++ b/clippy.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+# SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 # SPDX-License-Identifier: CC0-1.0
 
 set -e
diff --git a/src/files.rs b/src/files.rs
index 75182a7..0d676eb 100644
--- a/src/files.rs
+++ b/src/files.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! File handling - scanning, detecting MIME types, and so on.
diff --git a/src/findings.rs b/src/findings.rs
index f6a503f..6f0dc62 100644
--- a/src/findings.rs
+++ b/src/findings.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! The [`Findings`] and [`ScanError`] structs, used for conveying whether a given file was able to be scanned, whether
diff --git a/src/formats.rs b/src/formats.rs
index eb4d45a..62a1ac2 100644
--- a/src/formats.rs
+++ b/src/formats.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! Logic for handling the various output formats that fif can output to.
diff --git a/src/lib.rs b/src/lib.rs
index e79d5d3..f710a34 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! This library consists of all of the things fif needs to run. It only exists as a library to separate code, and to
diff --git a/src/main.rs b/src/main.rs
index efca1ff..93cbc20 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // fif - a command-line tool for detecting and optionally correcting files with incorrect extensions.
diff --git a/src/mime_db.rs b/src/mime_db.rs
index 47a9a7f..c64def5 100644
--- a/src/mime_db.rs
+++ b/src/mime_db.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! Backend-neutral Mime database abstraction.
diff --git a/src/parameters.rs b/src/parameters.rs
index f1c761c..e97b504 100644
--- a/src/parameters.rs
+++ b/src/parameters.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! Command line argument parsing logic and associated functions.
@@ -58,8 +58,8 @@ pub enum Prompt {
 	long_version = CLAP_LONG_VERSION.as_str(),
 	author = option_env!("CARGO_PKG_AUTHORS").unwrap_or("Lynnesbian"),
 	about = option_env!("CARGO_PKG_DESCRIPTION").unwrap_or("File Info Fixer"),
-	before_help = "Copyright © 2021-2022 Lynnesbian under the GPL3 (or later) License.",
-	after_long_help = "Copyright © 2021-2022 Lynnesbian\n\
+	before_help = "Copyright © 2021-2024 Lynnesbian under the GPL3 (or later) License.",
+	after_long_help = "Copyright © 2021-2024 Lynnesbian\n\
 	This program is free software: you can redistribute it and/or modify \
 	it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 \
 	of the License, or (at your option) any later version.",
diff --git a/src/tests/mod.rs b/src/tests/mod.rs
index 61af75e..f56137d 100644
--- a/src/tests/mod.rs
+++ b/src/tests/mod.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 use std::collections::{BTreeMap, HashMap};
diff --git a/src/utils.rs b/src/utils.rs
index 036d0a6..7ecb4b8 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+// SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 //! Various minor utilities.
diff --git a/test.py b/test.py
index 2549fa4..bd48534 100755
--- a/test.py
+++ b/test.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-# SPDX-FileCopyrightText: 2021-2022 Lynnesbian
+# SPDX-FileCopyrightText: 2021-2024 Lynnesbian
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import re