diff --git a/Cargo.toml b/Cargo.toml
index 2dd8c31..3e08409 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ xz2 = { version = "0.1", optional = true }
 [dev-dependencies]
 bencher = "0.1.5"
 doc-comment = "0.3"
-futures = "0.1"
+futures = "0.3"
 futures-cpupool = "0.1.8"
 lazy_static = "1.4"
 rand = "0.7"