diff --git a/Cargo.toml b/Cargo.toml
index 06733555..f7aa852c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ regex          = { version = "1.5", default-features = false, features = ["std"]
 # Optional dependencies
 rayon = { version = "1.3", optional = true }
 csv = { version = "1.1", optional = true }
-futures = { version = "0.3", default_features = false, optional = true }
+futures = { version = "0.3", default-features = false, optional = true }
 smol = { version = "1.2", default-features = false, optional = true }
 tokio = { version = "1.0", default-features = false, features = [
   "rt",
@@ -57,7 +57,7 @@ tempfile   = "3.5.0"
 approx     = "0.5.0"
 quickcheck = { version = "1.0", default-features = false }
 rand       = "0.8"
-futures    = { version = "0.3", default_features = false, features = ["executor"] }
+futures    = { version = "0.3", default-features = false, features = ["executor"] }
 
 [badges]
 maintenance = { status = "passively-maintained" }