diff --git a/actix-identity/src/lib.rs b/actix-identity/src/lib.rs
index 5c172a64e..9ef232a52 100644
--- a/actix-identity/src/lib.rs
+++ b/actix-identity/src/lib.rs
@@ -86,6 +86,7 @@
 //! [`IdentityMiddlewareBuilder::visit_deadline`]: config::IdentityMiddlewareBuilder::visit_deadline
 //! [`IdentityMiddlewareBuilder::login_deadline`]: config::IdentityMiddlewareBuilder::login_deadline
 
+#![forbid(unsafe_code)]
 #![deny(rust_2018_idioms, nonstandard_style, missing_docs)]
 #![warn(future_incompatible)]
 
diff --git a/actix-redis/src/lib.rs b/actix-redis/src/lib.rs
index 26a94a72f..1c183fa81 100644
--- a/actix-redis/src/lib.rs
+++ b/actix-redis/src/lib.rs
@@ -1,5 +1,6 @@
 //! Redis integration for `actix`.
 
+#![forbid(unsafe_code)]
 #![deny(rust_2018_idioms, nonstandard_style)]
 #![warn(future_incompatible)]
 
diff --git a/actix-session/src/lib.rs b/actix-session/src/lib.rs
index 917121429..db8271281 100644
--- a/actix-session/src/lib.rs
+++ b/actix-session/src/lib.rs
@@ -133,6 +133,7 @@
 //! [`RedisSessionStore`]: storage::RedisSessionStore
 //! [`RedisActorSessionStore`]: storage::RedisActorSessionStore
 
+#![forbid(unsafe_code)]
 #![deny(rust_2018_idioms, nonstandard_style)]
 #![warn(future_incompatible, missing_docs)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]