diff --git a/Cargo.toml b/Cargo.toml
index 9dfb54d..cdf17d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,7 @@ name = "tide-websockets"
 version = "0.5.0"
 authors = ["Jacob Rothstein <hi@jbr.me>"]
 edition = "2018"
+rust-version = "1.63"
 description = "tide websockets"
 repository = "https://github.com/http-rs/tide-websockets"
 license = "MIT OR Apache-2.0"
@@ -11,15 +12,15 @@ categories = ["web-programming::http-server", "web-programming"]
 
 [dependencies]
 async-dup = "1.2.2"
-async-std = "1.9.0"
-async-tungstenite = "0.22.2"
-base64 = "0.21.0"
-futures-util = "0.3.15"
+async-std = { version = "1.9.0", default-features = false }
+async-tungstenite = { version = "0.28.0", default-features = false }
+base64 = "0.22.1"
+futures-util = { version = "0.3.15", default-features = false }
 serde = "1.0.126"
 serde_json = "1.0.64"
-sha1 = "0.10.5"
+sha1 = "0.10.6"
 tide = { version = "0.16.0", default-features = false, features = ["h1-server"] }
 
 [dev-dependencies]
-async-std = { version = "1.9.0", features = ["attributes"] }
-env_logger = "0.10.0"
+async-std = { version = "1.13.0", default-features = false, features = ["attributes"] }
+env_logger = { version = "0.10.2", default-features = false }