diff --git a/js/packages/core/src/types/result.ts b/js/packages/core/src/types/result.ts
index a38c8336..7181a9b0 100644
--- a/js/packages/core/src/types/result.ts
+++ b/js/packages/core/src/types/result.ts
@@ -51,6 +51,7 @@ export enum IDKitErrorCodes {
   TimestampTooFarInFuture = "timestamp_too_far_in_future",
   InvalidTimestamp = "invalid_timestamp",
   RpSignatureExpired = "rp_signature_expired",
+  IdentityAttributesNotMatched = "identity_attributes_not_matched",
   GenericError = "generic_error",
   // Client-side errors
   InvalidRpIdFormat = "invalid_rp_id_format",
diff --git a/kotlin/bindings/src/main/kotlin/com/worldcoin/idkit/IdKit.kt b/kotlin/bindings/src/main/kotlin/com/worldcoin/idkit/IdKit.kt
index a4927d2e..5257b678 100644
--- a/kotlin/bindings/src/main/kotlin/com/worldcoin/idkit/IdKit.kt
+++ b/kotlin/bindings/src/main/kotlin/com/worldcoin/idkit/IdKit.kt
@@ -63,6 +63,7 @@ enum class IDKitErrorCode(val rawValue: String) {
     TIMESTAMP_TOO_FAR_IN_FUTURE("timestamp_too_far_in_future"),
     INVALID_TIMESTAMP("invalid_timestamp"),
     RP_SIGNATURE_EXPIRED("rp_signature_expired"),
+    IDENTITY_ATTRIBUTES_NOT_MATCHED("identity_attributes_not_matched"),
     GENERIC_ERROR("generic_error"),
     TIMEOUT("timeout"),
     CANCELLED("cancelled");
@@ -91,6 +92,7 @@ enum class IDKitErrorCode(val rawValue: String) {
             AppError.TIMESTAMP_TOO_FAR_IN_FUTURE -> TIMESTAMP_TOO_FAR_IN_FUTURE
             AppError.INVALID_TIMESTAMP -> INVALID_TIMESTAMP
             AppError.RP_SIGNATURE_EXPIRED -> RP_SIGNATURE_EXPIRED
+            AppError.IDENTITY_ATTRIBUTES_NOT_MATCHED -> IDENTITY_ATTRIBUTES_NOT_MATCHED
             AppError.GENERIC_ERROR -> GENERIC_ERROR
         }
     }
diff --git a/rust/core/src/error.rs b/rust/core/src/error.rs
index b11ad3be..2f2488f1 100644
--- a/rust/core/src/error.rs
+++ b/rust/core/src/error.rs
@@ -154,6 +154,10 @@ pub enum AppError {
     #[error("RP signature expired")]
     RpSignatureExpired,
 
+    /// Identity attributes did not match the required values
+    #[error("Identity attributes not matched")]
+    IdentityAttributesNotMatched,
+
     /// Generic error
     #[error("An error occurred")]
     #[serde(other)]
@@ -187,6 +191,7 @@ impl AppError {
             "timestamp_too_far_in_future" => Self::TimestampTooFarInFuture,
             "invalid_timestamp" => Self::InvalidTimestamp,
             "rp_signature_expired" => Self::RpSignatureExpired,
+            "identity_attributes_not_matched" => Self::IdentityAttributesNotMatched,
             _ => Self::GenericError,
         }
     }
diff --git a/rust/core/src/wasm_bindings.rs b/rust/core/src/wasm_bindings.rs
index aaa78d5c..2f4b2b01 100644
--- a/rust/core/src/wasm_bindings.rs
+++ b/rust/core/src/wasm_bindings.rs
@@ -1447,6 +1447,7 @@ export type IDKitErrorCode =
     | "timestamp_too_far_in_future"
     | "invalid_timestamp"
     | "rp_signature_expired"
+    | "identity_attributes_not_matched"
     | "generic_error";
 
 /** Status returned from pollForStatus() */
diff --git a/swift/Sources/IDKit/IDKit.swift b/swift/Sources/IDKit/IDKit.swift
index 8a011e46..2ca63ab2 100644
--- a/swift/Sources/IDKit/IDKit.swift
+++ b/swift/Sources/IDKit/IDKit.swift
@@ -124,6 +124,7 @@ public enum IDKitErrorCode: String, Equatable {
     case timestampTooFarInFuture = "timestamp_too_far_in_future"
     case invalidTimestamp = "invalid_timestamp"
     case rpSignatureExpired = "rp_signature_expired"
+    case identityAttributesNotMatched = "identity_attributes_not_matched"
     case genericError = "generic_error"
     case timeout = "timeout"
     case cancelled = "cancelled"
@@ -174,6 +175,8 @@ public enum IDKitErrorCode: String, Equatable {
             .invalidTimestamp
         case .rpSignatureExpired:
             .rpSignatureExpired
+        case .identityAttributesNotMatched:
+            .identityAttributesNotMatched
         case .genericError:
             .genericError
         }