diff --git a/examples/minimal-winit-android/src/lib.rs b/examples/minimal-winit-android/src/lib.rs
index 6900841f..2471f6ba 100644
--- a/examples/minimal-winit-android/src/lib.rs
+++ b/examples/minimal-winit-android/src/lib.rs
@@ -1,3 +1,6 @@
+#![deny(clippy::all)]
+#![forbid(unsafe_code)]
+
 #[cfg(target_os = "android")]
 use winit::platform::android::activity::AndroidApp;
 
diff --git a/internals/pixels-mocks/src/lib.rs b/internals/pixels-mocks/src/lib.rs
index 169893ac..9e6fd43b 100644
--- a/internals/pixels-mocks/src/lib.rs
+++ b/internals/pixels-mocks/src/lib.rs
@@ -1,4 +1,5 @@
 #![deny(clippy::all)]
+#![forbid(unsafe_code)]
 
 pub struct Window;
 
diff --git a/run-wasm/src/main.rs b/run-wasm/src/main.rs
index ecda3267..d556e8e1 100644
--- a/run-wasm/src/main.rs
+++ b/run-wasm/src/main.rs
@@ -1,3 +1,6 @@
+#![deny(clippy::all)]
+#![forbid(unsafe_code)]
+
 fn main() {
     let css = r#"body {
         background-color: #000;
diff --git a/src/lib.rs b/src/lib.rs
index e45dff28..360970ac 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,6 +30,7 @@
 //! `WGPU_ADAPTER_NAME` takes precedence.
 
 #![deny(clippy::all)]
+#![forbid(unsafe_code)]
 
 pub use crate::builder::{check_texture_size, PixelsBuilder};
 pub use crate::renderers::ScalingRenderer;