diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
index 230d2caa..cbb8ade5 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -13,7 +13,7 @@ information see https://github.com/alexcrichton/wasm-bindgen.
 """
 
 [dependencies]
-docopt = "0.8"
+docopt = "1.0"
 failure = "0.1"
 serde = "1.0"
 serde_derive = "1.0"