diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..b1eb688
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,20 @@
+## 0.2.1
+
+### Changed:
+
+-`Config::email` now takes a `&str` instead of `Option<&str>`
+
+## 0.2.0
+
+### Added
+
+- minimum and maximum password length
+
+## 0.1.0
+
+### Added:
+
+- password configuration
+- UsernameCaseMapped filter
+- Abusive words filter
+- filter for words that might cause security issues
diff --git a/Cargo.toml b/Cargo.toml
index 627c452..fb003d1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,4 +26,4 @@ validator = { version = "0.13.0", features = ["derive"]}
 lazy_static = "1.4.0"
 regex = { version = "1.3.9", features = [ "perf-inline", "perf-dfa", "perf-literal", "perf-cache", "perf"]}
 rand = "0.8.0"
-derive_builder = "0.9"
+derive_builder = "0.10"
diff --git a/examples/complex.rs b/examples/complex.rs
index 4ee772c..f8a35b7 100644
--- a/examples/complex.rs
+++ b/examples/complex.rs
@@ -23,7 +23,7 @@ fn main() {
     let hash = config.password(password).unwrap();
 
     // email validation
-    config.email(Some("batman@we.net")).unwrap();
+    config.email("batman@we.net").unwrap();
 
     // process username
     let username = config.username("Realaravinth").unwrap(); // process username
diff --git a/examples/simple.rs b/examples/simple.rs
index 2dc28a4..0d3d8dd 100644
--- a/examples/simple.rs
+++ b/examples/simple.rs
@@ -10,7 +10,7 @@ fn main() {
     let password = "ironmansucks";
 
     // email validation
-    config.email(Some("batman@we.net")).unwrap();
+    config.email("batman@we.net").unwrap();
 
     // process username
     let username = config.username("Realaravinth").unwrap(); // process username
diff --git a/src/config.rs b/src/config.rs
index 8b6922c..f471328 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -56,9 +56,9 @@ impl Default for PasswordPolicy {
 }
 
 #[derive(Validate)]
-struct Email {
+struct Email<'a> {
     #[validate(email)]
-    pub email: String,
+    pub email: &'a str,
 }
 
 impl Default for Config {
@@ -84,14 +84,11 @@ impl Config {
     }
 
     /// Checks if input is an email
-    pub fn email(&self, email: Option<&str>) -> CredsResult<()> {
-        if let Some(email) = email {
-            let email = Email {
-                email: email.trim().to_owned(),
-            };
-            email.validate()?;
-        }
-        Ok(())
+    pub fn email(&self, email: &str) -> CredsResult<()> {
+        let email = Email {
+            email: email.trim(),
+        };
+        Ok(email.validate()?)
     }
 
     fn validate_username(&self, username: &str) -> CredsResult<()> {
@@ -179,10 +176,7 @@ mod tests {
             .build()
             .unwrap();
 
-        assert_eq!(
-            config.email(Some("sdfasdf".into())),
-            Err(CredsError::NotAnEmail)
-        );
+        assert_eq!(config.email("sdfasdf".into()), Err(CredsError::NotAnEmail));
     }
 
     #[test]
@@ -190,7 +184,7 @@ mod tests {
         let password = "somepassword";
         let config = Config::default();
 
-        config.email(Some("batman@we.net")).unwrap();
+        config.email("batman@we.net").unwrap();
         let username = config.username("Realaravinth").unwrap();
         let hash = config.password(password).unwrap();
 
diff --git a/src/lib.rs b/src/lib.rs
index b13a3a1..3da85b8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,7 +16,7 @@
 //!     let hash = config.password(password).unwrap();
 //!
 //!     // email validation
-//!     config.email(Some("batman@we.net")).unwrap();
+//!     config.email("batman@we.net").unwrap();
 //!     
 //!     // process username
 //!     let username = config.username("Realaravinth").unwrap(); // process username
@@ -48,7 +48,7 @@
 //!     let hash = config.password(password).unwrap();
 //!
 //!     // email validation
-//!     config.email(Some("batman@we.net")).unwrap();
+//!     config.email("batman@we.net").unwrap();
 //!     
 //!     // process username
 //!     let username = config.username("Realaravinth").unwrap(); // process username