diff --git a/rslib/BUILD.bazel b/rslib/BUILD.bazel
index c2ae6fb9f..7ac28f55a 100644
--- a/rslib/BUILD.bazel
+++ b/rslib/BUILD.bazel
@@ -1,3 +1,6 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 load("@rules_proto//proto:defs.bzl", "proto_library")
 load("@io_bazel_rules_rust//rust:rust.bzl", "rust_binary", "rust_library", "rust_test")
 load("@io_bazel_rules_rust//cargo:cargo_build_script.bzl", "cargo_build_script")
diff --git a/rslib/backend.proto b/rslib/backend.proto
index ef2730ecc..70e436a7c 100644
--- a/rslib/backend.proto
+++ b/rslib/backend.proto
@@ -1,3 +1,5 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 syntax = "proto3";
 
 package BackendProto;
diff --git a/rslib/build/main.rs b/rslib/build/main.rs
index 45c316a6f..deaaa8c6a 100644
--- a/rslib/build/main.rs
+++ b/rslib/build/main.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 pub mod mergeftl;
 pub mod protobuf;
 
diff --git a/rslib/build/mergeftl.rs b/rslib/build/mergeftl.rs
index 24a7481e1..81ec6e80b 100644
--- a/rslib/build/mergeftl.rs
+++ b/rslib/build/mergeftl.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use fluent_syntax::ast::Entry;
 use fluent_syntax::parser::Parser;
 use std::path::Path;
diff --git a/rslib/build/protobuf.rs b/rslib/build/protobuf.rs
index f83fdf635..93143af4a 100644
--- a/rslib/build/protobuf.rs
+++ b/rslib/build/protobuf.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use std::path::PathBuf;
 use std::{env, fmt::Write};
 
diff --git a/rslib/build/write_fluent_proto.rs b/rslib/build/write_fluent_proto.rs
index 66f97021c..6af7e21ed 100644
--- a/rslib/build/write_fluent_proto.rs
+++ b/rslib/build/write_fluent_proto.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 include!("mergeftl.rs");
 
 fn main() {
diff --git a/rslib/cargo/BUILD.bazel b/rslib/cargo/BUILD.bazel
index 6ce3ec967..7dd17daf4 100644
--- a/rslib/cargo/BUILD.bazel
+++ b/rslib/cargo/BUILD.bazel
@@ -1,3 +1,6 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 """
 @generated
 cargo-raze generated Bazel file.
diff --git a/rslib/clang_format.bzl b/rslib/clang_format.bzl
index a2fd92a69..3591a82c0 100644
--- a/rslib/clang_format.bzl
+++ b/rslib/clang_format.bzl
@@ -1,3 +1,6 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 """
 Exposes a clang-format binary for formatting protobuf.
 """
diff --git a/rslib/proto_format.py b/rslib/proto_format.py
index d170d9ee1..7cdf763a2 100755
--- a/rslib/proto_format.py
+++ b/rslib/proto_format.py
@@ -1,3 +1,6 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 import sys, subprocess, os, difflib
 
 clang_format = sys.argv[1]
@@ -33,4 +36,4 @@ for path in sys.argv[2:]:
             found_bad = True
 
 if found_bad:
-    sys.exit(1)
\ No newline at end of file
+    sys.exit(1)
diff --git a/rslib/rustfmt.bzl b/rslib/rustfmt.bzl
index a140458b8..b99cf75f4 100644
--- a/rslib/rustfmt.bzl
+++ b/rslib/rustfmt.bzl
@@ -1,3 +1,6 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 def _rustfmt_impl(ctx):
     toolchain = ctx.toolchains["@io_bazel_rules_rust//rust:toolchain"]
     script_name = ctx.label.name + "_script"
diff --git a/rslib/src/backend_proto.rs b/rslib/src/backend_proto.rs
index 8b00b2e2c..751d575cc 100644
--- a/rslib/src/backend_proto.rs
+++ b/rslib/src/backend_proto.rs
@@ -1 +1,4 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 include!(concat!(env!("OUT_DIR"), "/backend_proto.rs"));
diff --git a/rslib/src/fluent_proto.rs b/rslib/src/fluent_proto.rs
index 2e436ad28..12f1417fc 100644
--- a/rslib/src/fluent_proto.rs
+++ b/rslib/src/fluent_proto.rs
@@ -1 +1,4 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 include!(concat!(env!("OUT_DIR"), "/fluent_proto.rs"));
diff --git a/rslib/src/search/mod.rs b/rslib/src/search/mod.rs
index ba396242c..992f01739 100644
--- a/rslib/src/search/mod.rs
+++ b/rslib/src/search/mod.rs
@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 mod cards;
 mod notes;
 mod parser;