diff --git a/vello_shaders/build.rs b/vello_shaders/build.rs
index 65ea159..0856974 100644
--- a/vello_shaders/build.rs
+++ b/vello_shaders/build.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 #[path = "src/compile/mod.rs"]
 mod compile;
 #[path = "src/types.rs"]
diff --git a/vello_shaders/src/compile/mod.rs b/vello_shaders/src/compile/mod.rs
index c218be6..74cafda 100644
--- a/vello_shaders/src/compile/mod.rs
+++ b/vello_shaders/src/compile/mod.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use {
     naga::{
         front::wgsl,
diff --git a/vello_shaders/src/compile/msl.rs b/vello_shaders/src/compile/msl.rs
index 7fa8740..5f7b831 100644
--- a/vello_shaders/src/compile/msl.rs
+++ b/vello_shaders/src/compile/msl.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use naga::back::msl;
 
 use super::{BindType, ShaderInfo};
diff --git a/vello_shaders/src/compile/permutations.rs b/vello_shaders/src/compile/permutations.rs
index 5dbb138..f85f667 100644
--- a/vello_shaders/src/compile/permutations.rs
+++ b/vello_shaders/src/compile/permutations.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use std::collections::HashMap;
 
 #[derive(Debug)]
diff --git a/vello_shaders/src/compile/preprocess.rs b/vello_shaders/src/compile/preprocess.rs
index 95b8a4e..917f83f 100644
--- a/vello_shaders/src/compile/preprocess.rs
+++ b/vello_shaders/src/compile/preprocess.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use std::{
     collections::{HashMap, HashSet},
     fs,
diff --git a/vello_shaders/src/lib.rs b/vello_shaders/src/lib.rs
index ded1984..66ac937 100644
--- a/vello_shaders/src/lib.rs
+++ b/vello_shaders/src/lib.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 mod types;
 
 #[cfg(feature = "compile")]
diff --git a/vello_shaders/src/types.rs b/vello_shaders/src/types.rs
index a9db3fe..548f7e9 100644
--- a/vello_shaders/src/types.rs
+++ b/vello_shaders/src/types.rs
@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Types that are shared between the main crate and build.
 
 /// The type of resource that will be bound to a slot in a shader.