diff --git a/actix-cors/Cargo.toml b/actix-cors/Cargo.toml
index e446c377a..9e47dcbaf 100644
--- a/actix-cors/Cargo.toml
+++ b/actix-cors/Cargo.toml
@@ -25,10 +25,10 @@ actix-utils = "3"
 actix-web = { version = "4", default-features = false }
 
 derive_more = "0.99.7"
-futures-util = { version = "0.3.7", default-features = false }
+futures-util = { version = "0.3.17", default-features = false, features = ["std"] }
 log = "0.4"
 once_cell = "1"
-smallvec = "1.6.1"
+smallvec = "1"
 
 [dev-dependencies]
 actix-web = { version = "4", default-features = false, features = ["macros"] }
diff --git a/actix-protobuf/Cargo.toml b/actix-protobuf/Cargo.toml
index 065fb2228..4dec844ff 100644
--- a/actix-protobuf/Cargo.toml
+++ b/actix-protobuf/Cargo.toml
@@ -20,7 +20,7 @@ all-features = true
 [dependencies]
 actix-web = { version = "4", default-features = false }
 derive_more = "0.99.7"
-futures-util = { version = "0.3.7", default-features = false }
+futures-util = { version = "0.3.17", default-features = false, features = ["std"] }
 prost = { version = "0.12", default-features = false }
 
 [dev-dependencies]
diff --git a/actix-web-httpauth/Cargo.toml b/actix-web-httpauth/Cargo.toml
index 00977f3f9..da03dde47 100644
--- a/actix-web-httpauth/Cargo.toml
+++ b/actix-web-httpauth/Cargo.toml
@@ -24,7 +24,7 @@ actix-web = { version = "4.1", default-features = false }
 
 base64 = "0.21"
 futures-core = "0.3.7"
-futures-util = { version = "0.3.7", default-features = false, features = ["std"] }
+futures-util = { version = "0.3.17", default-features = false, features = ["std"] }
 log = "0.4"
 pin-project-lite = "0.2.7"