diff --git a/CHANGELOG.md b/CHANGELOG.md
index 214b1c7..106b63f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.2.1] - 2024-09-30
+
+### Changed
+
+- Removed generic lifetime parameter from DapsClient to make the usage easier
+
 ## [0.2.0] - 2024-09-30
 
 ### Changed
@@ -14,5 +20,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Moved the CertificatesCache to its own module and added a test for it
 - Bump dependencies
 
+[0.2.1]: https://github.com///compare/v0.2.0..0.2.1
 
 <!-- generated by git-cliff -->
diff --git a/Cargo.lock b/Cargo.lock
index ff48447..a81347d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -783,7 +783,7 @@ dependencies = [
 
 [[package]]
 name = "ids-daps-client"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "async-lock",
  "async-trait",
diff --git a/Cargo.toml b/Cargo.toml
index 0fd924e..044de79 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ edition = "2021"
 
 name = "ids-daps-client"
 description = "A client to connect with the IDS DAPS."
-version = "0.2.0"
+version = "0.2.1"
 license = "Apache-2.0"
 repository = "https://github.com/truzzt/ids-daps-client-rs"
 readme = "README.md"
diff --git a/src/config.rs b/src/config.rs
index db1355f..128153b 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -3,6 +3,7 @@ use std::borrow::Cow;
 /// Configuration for the DAPS client.
 #[derive(Debug, derive_builder::Builder)]
 #[builder(setter(into), build_fn(validate = "Self::validate"))]
+#[allow(clippy::module_name_repetitions)]
 pub struct DapsConfig<'a> {
     /// The URL for the request of a DAPS token.
     pub(super) token_url: Cow<'a, str>,
@@ -46,4 +47,4 @@ impl DapsConfigBuilder<'_> {
         }
         Ok(())
     }
-}
\ No newline at end of file
+}
diff --git a/src/lib.rs b/src/lib.rs
index 255d035..72998f3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -45,7 +45,7 @@
 //!         .expect("Failed to build DAPS-Config");
 //!
 //!     // Create DAPS client
-//!     let client: ReqwestDapsClient<'_> = DapsClient::new(config);
+//!     let client: ReqwestDapsClient = DapsClient::new(&config);
 //!
 //!     // Request a DAT token
 //!     let dat = client.request_dat().await?;
@@ -68,8 +68,6 @@ pub mod cert;
 pub mod config;
 mod http_client;
 
-use std::borrow::Cow;
-
 /// The type of the audience field in the DAT token. It can be a single string or a list of strings.
 #[derive(Debug, serde::Deserialize, Clone)]
 #[serde(untagged)]
@@ -142,15 +140,15 @@ pub enum DapsError {
 }
 
 /// An alias for the DAPS client using the Reqwest HTTP client.
-pub type ReqwestDapsClient<'a> = DapsClient<'a, http_client::reqwest_client::ReqwestDapsClient>;
+pub type ReqwestDapsClient = DapsClient<http_client::reqwest_client::ReqwestDapsClient>;
 
 /// The main struct of this crate. It provides the functionality to request and validate DAT tokens
 /// from a DAPS.
-pub struct DapsClient<'a, C> {
+pub struct DapsClient<C> {
     /// The HTTP client to use for requests. It is generic over the actual implementation.
     client: C,
     /// The subject of the client.
-    sub: Cow<'a, str>,
+    sub: String,
     /// The URL for the request of the certificates for validation.
     certs_url: String,
     /// The URL for the request of a DAPS token.
@@ -165,13 +163,13 @@ pub struct DapsClient<'a, C> {
     certs_cache: cache::CertificatesCache,
 }
 
-impl<C> DapsClient<'_, C>
+impl<C> DapsClient<C>
 where
     C: http_client::DapsClientRequest,
 {
     /// Creates a new DAPS client based on the given configuration.
     #[must_use]
-    pub fn new(config: config::DapsConfig<'_>) -> Self {
+    pub fn new(config: &config::DapsConfig<'_>) -> Self {
         // Read sub and private key from file
         let (ski_aki, private_key) = cert::ski_aki_and_private_key_from_file(
             config.private_key.as_ref(),
@@ -184,7 +182,7 @@ where
 
         Self {
             client: C::default(),
-            sub: ski_aki,
+            sub: ski_aki.to_string(),
             scope: config.scope.to_string(),
             certs_url: config.certs_url.to_string(),
             token_url: config.token_url.to_string(),
@@ -356,14 +354,14 @@ mod test {
             .certs_url(certs_url)
             .token_url(token_url)
             .private_key(std::path::Path::new("./testdata/connector-certificate.p12"))
-            .private_key_password(Some(Cow::from("Password1")))
-            .scope(Cow::from("idsc:IDS_CONNECTORS_ALL"))
+            .private_key_password(Some(std::borrow::Cow::from("Password1")))
+            .scope(std::borrow::Cow::from("idsc:IDS_CONNECTORS_ALL"))
             .certs_cache_ttl(1_u64)
             .build()
             .expect("Failed to build DAPS-Config");
 
         // Create DAPS client
-        let client: ReqwestDapsClient<'_> = DapsClient::new(config);
+        let client: ReqwestDapsClient = DapsClient::new(&config);
 
         // Now the test really starts...
         // Request a DAT token