diff --git a/Cargo.toml b/Cargo.toml
index 9d46db1..21c835e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,16 +5,16 @@ authors = ["Tangent 128 <Tangent128@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-bytes = "0.4.12"
-clap = "2.33.0"
-custom_error = "1.7"
+bytes = "^0.4.12"
+clap = "^2.33.0"
+custom_error = "^1.7"
 futures = "0.1.29"
 futures3 = { package = "futures-preview", version="0.3.0-alpha", features = ["compat"] }
-http = "0.1.18"
-hyper = "0.12.35"
+http = "^0.1.18"
+hyper = "^0.12.35"
 hyper13 = { package = "hyper", version="0.13.0-alpha.4", features = ["unstable-stream"] }
-matches = "0.1.8"
-odds = { version = "0.3.1", features = ["std-vec"] }
+matches = "^0.1.8"
+odds = { version = "^0.3.1", features = ["std-vec"] }
 tokio2 = { package = "tokio", version="0.2.0-alpha.6" }
 warp = "0.1.20"
-weak-table = "0.2.3"
+weak-table = "^0.2.3"