diff --git a/crates/egui/src/lib.rs b/crates/egui/src/lib.rs
index b8069efdf..a4534ae80 100644
--- a/crates/egui/src/lib.rs
+++ b/crates/egui/src/lib.rs
@@ -298,6 +298,7 @@
 
 #![allow(clippy::float_cmp)]
 #![allow(clippy::manual_range_contains)]
+#![forbid(unsafe_code)]
 
 mod animation_manager;
 pub mod containers;
diff --git a/crates/egui_demo_lib/src/lib.rs b/crates/egui_demo_lib/src/lib.rs
index c061b1aa8..188d5acc0 100644
--- a/crates/egui_demo_lib/src/lib.rs
+++ b/crates/egui_demo_lib/src/lib.rs
@@ -10,6 +10,7 @@
 
 #![allow(clippy::float_cmp)]
 #![allow(clippy::manual_range_contains)]
+#![forbid(unsafe_code)]
 
 mod color_test;
 mod demo;
diff --git a/crates/egui_extras/src/lib.rs b/crates/egui_extras/src/lib.rs
index 1a545b5b7..c071d7024 100644
--- a/crates/egui_extras/src/lib.rs
+++ b/crates/egui_extras/src/lib.rs
@@ -8,6 +8,7 @@
 
 #![allow(clippy::float_cmp)]
 #![allow(clippy::manual_range_contains)]
+#![forbid(unsafe_code)]
 
 #[cfg(feature = "chrono")]
 mod datepicker;
diff --git a/crates/egui_glium/src/lib.rs b/crates/egui_glium/src/lib.rs
index 1d42ef18a..da60637dc 100644
--- a/crates/egui_glium/src/lib.rs
+++ b/crates/egui_glium/src/lib.rs
@@ -10,6 +10,7 @@
 
 #![allow(clippy::float_cmp)]
 #![allow(clippy::manual_range_contains)]
+#![forbid(unsafe_code)]
 
 mod painter;
 pub use painter::Painter;
diff --git a/crates/emath/src/lib.rs b/crates/emath/src/lib.rs
index 5a88c9a33..95552afd1 100644
--- a/crates/emath/src/lib.rs
+++ b/crates/emath/src/lib.rs
@@ -20,6 +20,7 @@
 //!
 
 #![allow(clippy::float_cmp)]
+#![forbid(unsafe_code)]
 
 use std::ops::{Add, Div, Mul, RangeInclusive, Sub};
 
diff --git a/crates/epaint/src/lib.rs b/crates/epaint/src/lib.rs
index 41abb4af7..924547d25 100644
--- a/crates/epaint/src/lib.rs
+++ b/crates/epaint/src/lib.rs
@@ -11,6 +11,7 @@
 
 #![allow(clippy::float_cmp)]
 #![allow(clippy::manual_range_contains)]
+#![forbid(unsafe_code)]
 
 mod bezier;
 pub mod image;