diff --git a/packages/wasm-sdk/src/queries/voting.rs b/packages/wasm-sdk/src/queries/voting.rs
index e108bdb320..4910e8cf5e 100644
--- a/packages/wasm-sdk/src/queries/voting.rs
+++ b/packages/wasm-sdk/src/queries/voting.rs
@@ -457,6 +457,7 @@ pub async fn get_contested_resource_voters_for_identity_with_proof_info(
     data_contract_id: &str,
     document_type_name: &str,
     index_name: &str,
+    index_values: Vec<JsValue>,
     contestant_id: &str,
     start_at_identifier_info: Option<String>,
     count: Option<u32>,
@@ -475,6 +476,21 @@ pub async fn get_contested_resource_voters_for_identity_with_proof_info(
         dash_sdk::dpp::platform_value::string_encoding::Encoding::Base58,
     )?;
     
+    // Convert JsValue index values to Vec<Vec<u8>> using bincode serialization
+    let mut index_values_bytes: Vec<Vec<u8>> = Vec::new();
+    for value in index_values {
+        if let Some(s) = value.as_string() {
+            // Create a platform Value from the string
+            let platform_value = Value::Text(s);
+            // Serialize using bincode
+            let serialized = bincode::encode_to_vec(&platform_value, BINCODE_CONFIG)
+                .map_err(|e| JsError::new(&format!("Failed to serialize index value: {}", e)))?;
+            index_values_bytes.push(serialized);
+        } else {
+            return Err(JsError::new("Index values must be strings"));
+        }
+    }
+    
     // Parse start_at_identifier_info if provided
     let start_at_identifier_info = if let Some(info_str) = start_at_identifier_info {
         let info: serde_json::Value = serde_json::from_str(&info_str)
@@ -505,7 +521,7 @@ pub async fn get_contested_resource_voters_for_identity_with_proof_info(
                 contract_id: contract_id.to_vec(),
                 document_type_name: document_type_name.to_string(),
                 index_name: index_name.to_string(),
-                index_values: vec![], // Empty to query all contested resources
+                index_values: index_values_bytes,
                 contestant_id: contestant_identifier.to_vec(),
                 start_at_identifier_info,
                 count,
diff --git a/packages/wasm-sdk/test/ui-automation/tests/query-execution.spec.js b/packages/wasm-sdk/test/ui-automation/tests/query-execution.spec.js
index 4cc8d7661e..6a03e604f3 100644
--- a/packages/wasm-sdk/test/ui-automation/tests/query-execution.spec.js
+++ b/packages/wasm-sdk/test/ui-automation/tests/query-execution.spec.js
@@ -829,7 +829,7 @@ test.describe('WASM SDK Query Execution Tests', () => {
       },
       { 
         name: 'getContestedResourceVotersForIdentity', 
-        hasProofSupport: false, // Not working
+        hasProofSupport: true,
         needsParameters: true,
         validateFn: (result) => {
           expect(() => JSON.parse(result)).not.toThrow();