diff --git a/actix-files/src/lib.rs b/actix-files/src/lib.rs
index 662fba0a3..6769d6d38 100644
--- a/actix-files/src/lib.rs
+++ b/actix-files/src/lib.rs
@@ -13,6 +13,7 @@
 
 #![deny(rust_2018_idioms)]
 #![warn(missing_docs, missing_debug_implementations)]
+#![clippy::msrv = "1.46"]
 
 use std::io;
 
diff --git a/actix-http-test/src/lib.rs b/actix-http-test/src/lib.rs
index 3ab3f8a0d..4d4bd6f2d 100644
--- a/actix-http-test/src/lib.rs
+++ b/actix-http-test/src/lib.rs
@@ -3,6 +3,7 @@
 #![deny(rust_2018_idioms)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![clippy::msrv = "1.46"]
 
 use std::sync::mpsc;
 use std::{net, thread, time};
diff --git a/actix-http/src/lib.rs b/actix-http/src/lib.rs
index 94cc50a76..edf2b98e9 100644
--- a/actix-http/src/lib.rs
+++ b/actix-http/src/lib.rs
@@ -9,6 +9,7 @@
 )]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![clippy::msrv = "1.46"]
 
 #[macro_use]
 extern crate log;
diff --git a/actix-multipart/src/lib.rs b/actix-multipart/src/lib.rs
index 46dd0ee9b..a3bc36e21 100644
--- a/actix-multipart/src/lib.rs
+++ b/actix-multipart/src/lib.rs
@@ -2,6 +2,7 @@
 
 #![deny(rust_2018_idioms)]
 #![allow(clippy::borrow_interior_mutable_const)]
+#![clippy::msrv = "1.46"]
 
 mod error;
 mod extractor;
diff --git a/actix-web-actors/src/lib.rs b/actix-web-actors/src/lib.rs
index 0421f05fb..1fdd266dc 100644
--- a/actix-web-actors/src/lib.rs
+++ b/actix-web-actors/src/lib.rs
@@ -2,6 +2,7 @@
 
 #![deny(rust_2018_idioms)]
 #![allow(clippy::borrow_interior_mutable_const)]
+#![clippy::msrv = "1.46"]
 
 mod context;
 pub mod ws;
diff --git a/actix-web-codegen/src/lib.rs b/actix-web-codegen/src/lib.rs
index 50e5be712..f5bec9773 100644
--- a/actix-web-codegen/src/lib.rs
+++ b/actix-web-codegen/src/lib.rs
@@ -57,6 +57,7 @@
 //! [DELETE]: macro@delete
 
 #![recursion_limit = "512"]
+#![clippy::msrv = "1.46"]
 
 use proc_macro::TokenStream;
 
diff --git a/awc/src/lib.rs b/awc/src/lib.rs
index fb6ed086a..611a7daa7 100644
--- a/awc/src/lib.rs
+++ b/awc/src/lib.rs
@@ -92,6 +92,7 @@
 )]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![clippy::msrv = "1.46"]
 
 use std::cell::RefCell;
 use std::convert::TryFrom;
diff --git a/src/lib.rs b/src/lib.rs
index 88eae44bf..f2233c220 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -69,6 +69,7 @@
 #![allow(clippy::needless_doctest_main, clippy::type_complexity)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![clippy::msrv = "1.46"]
 
 mod app;
 mod app_service;