diff --git a/src/sd_jwt.rs b/src/sd_jwt.rs
index 8021b9f..e3d0458 100644
--- a/src/sd_jwt.rs
+++ b/src/sd_jwt.rs
@@ -5,6 +5,7 @@ use std::collections::HashMap;
 use std::fmt::Display;
 use std::iter::Peekable;
 use std::ops::Deref;
+use std::ops::DerefMut;
 use std::str::FromStr;
 
 use crate::jwt::Jwt;
@@ -43,6 +44,12 @@ impl Deref for SdJwtClaims {
   }
 }
 
+impl DerefMut for SdJwtClaims {
+  fn deref_mut(&mut self) -> &mut Self::Target {
+    &mut self.properties
+  }
+}
+
 /// Representation of an SD-JWT of the format
 /// `<Issuer-signed JWT>~<Disclosure 1>~<Disclosure 2>~...~<Disclosure N>~<optional KB-JWT>`.
 #[derive(Debug, Clone, Eq, PartialEq)]