diff --git a/Cargo.toml b/Cargo.toml
index e9a2318..3515ef2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,13 +5,13 @@ authors = ["Simon Bruder <simon@sbruder.de>"]
 edition = "2018"
 
 [dependencies]
-anyhow = "1.0.31"
-byteorder = "1.3.4"
+anyhow = "^1.0.31"
+byteorder = "^1.3.4"
 clap = "3.0.0-beta.1"
-log = "0.4.8"
-nom = "5.1.1"
-num-derive = "0.3"
-num-traits = "0.2"
-pretty_env_logger = "0.4"
-thiserror = "1.0.20"
-zip = { version = "0.5.5", default-features = false, features = ["deflate"] }
+log = "^0.4.8"
+nom = "^5.1.1"
+num-derive = "^0.3"
+num-traits = "^0.2"
+pretty_env_logger = "^0.4"
+thiserror = "^1.0.20"
+zip = { version = "^0.5.5", default-features = false, features = ["deflate"] }