diff --git a/Cargo.toml b/Cargo.toml
index d312891..e88d682 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hpke-rs"
-version = "0.2.0"
+version = "0.2.1-pre.1"
 authors = ["Franziskus Kiefer <franziskuskiefer@gmail.com>"]
 edition = "2021"
 license = "MPL-2.0"
@@ -8,11 +8,12 @@ documentation = "https://docs.rs/hpke-rs"
 description = "HPKE Implementation"
 readme = "Readme.md"
 repository = "https://github.com/franziskuskiefer/hpke-rs"
+exclude = ["/tests"]
 
 [dependencies]
 log = "0.4"
 serde = { version = "1.0", features = ["derive"], optional = true }
-tls_codec = { version = "0.4.0", features = ["derive"], optional = true }
+tls_codec = { version = "0.4.1-pre.1", features = ["derive"], optional = true }
 zeroize = { version = "1.5", features = ["zeroize_derive"] }
 hpke-rs-crypto = { version = "0.2.0", path = "./traits" }