diff --git a/bindings/wasm/src/credential/revocation/status_list_2021/entry.rs b/bindings/wasm/src/credential/revocation/status_list_2021/entry.rs
index 85ecb2eafe..32194ceade 100644
--- a/bindings/wasm/src/credential/revocation/status_list_2021/entry.rs
+++ b/bindings/wasm/src/credential/revocation/status_list_2021/entry.rs
@@ -47,8 +47,8 @@ impl WasmStatusList2021Entry {
 
   /// Returns the index of this entry.
   #[wasm_bindgen]
-  pub fn index(&self) -> usize {
-    self.0.index()
+  pub fn index(&self) -> String {
+    self.0.index().to_string()
   }
 
   /// Returns the referenced {@link StatusList2021Credential}'s url.
diff --git a/identity_credential/src/revocation/status_list_2021/credential.rs b/identity_credential/src/revocation/status_list_2021/credential.rs
index ed96643cb7..9f6958abf9 100644
--- a/identity_credential/src/revocation/status_list_2021/credential.rs
+++ b/identity_credential/src/revocation/status_list_2021/credential.rs
@@ -135,6 +135,7 @@ impl StatusList2021Credential {
       .id()
       .cloned()
       .ok_or(StatusList2021CredentialError::Unreferenceable)?;
+
     let entry = StatusList2021Entry::new(id, self.purpose(), index, None);
 
     self.set_entry(index, revoked_or_suspended)?;
diff --git a/identity_credential/src/revocation/status_list_2021/entry.rs b/identity_credential/src/revocation/status_list_2021/entry.rs
index 7eecf2f28e..cd8c583a3a 100644
--- a/identity_credential/src/revocation/status_list_2021/entry.rs
+++ b/identity_credential/src/revocation/status_list_2021/entry.rs
@@ -45,8 +45,7 @@ pub struct StatusList2021Entry {
   #[serde(rename = "type", deserialize_with = "deserialize_status_entry_type")]
   type_: String,
   status_purpose: StatusPurpose,
-  #[serde(deserialize_with = "serde_aux::prelude::deserialize_number_from_string")]
-  status_list_index: usize,
+  status_list_index: String,
   status_list_credential: Url,
 }
 
@@ -79,7 +78,7 @@ impl StatusList2021Entry {
       type_: CREDENTIAL_STATUS_TYPE.to_owned(),
       status_purpose: purpose,
       status_list_credential: status_list,
-      status_list_index: index,
+      status_list_index: index.to_string(),
     }
   }
 
@@ -94,8 +93,8 @@ impl StatusList2021Entry {
   }
 
   /// Returns the index of this entry.
-  pub const fn index(&self) -> usize {
-    self.status_list_index
+  pub fn index(&self) -> &str {
+    &self.status_list_index
   }
 
   /// Returns the referenced [`StatusList2021Credential`]'s [`Url`].
diff --git a/identity_credential/src/validator/jwt_credential_validation/jwt_credential_validator_utils.rs b/identity_credential/src/validator/jwt_credential_validation/jwt_credential_validator_utils.rs
index d454122c15..c6d989af64 100644
--- a/identity_credential/src/validator/jwt_credential_validation/jwt_credential_validator_utils.rs
+++ b/identity_credential/src/validator/jwt_credential_validation/jwt_credential_validator_utils.rs
@@ -109,7 +109,7 @@ impl JwtCredentialValidatorUtils {
           && status.purpose() == status_list_credential.purpose()
         {
           let entry_status = status_list_credential
-            .entry(status.index())
+            .entry(status.index().parse().expect("Failed to parse index"))
             .map_err(|e| JwtValidationError::InvalidStatus(crate::Error::InvalidStatus(e.to_string())))?;
           match entry_status {
             CredentialStatus::Revoked => Err(JwtValidationError::Revoked),