diff --git a/actix-settings/Cargo.toml b/actix-settings/Cargo.toml
index 117b2bb4b..781dc8e4e 100644
--- a/actix-settings/Cargo.toml
+++ b/actix-settings/Cargo.toml
@@ -25,4 +25,5 @@ serde = { version = "1", features = ["derive"] }
 toml = "0.8"
 
 [dev-dependencies]
+actix-web = "4"
 env_logger = "0.10"