diff --git a/components/org.wso2.carbon.identity.conditional.auth.functions.jwt.decode/src/main/java/org/wso2/carbon/identity/conditional/auth/functions/jwt/decode/JwtDecodeImpl.java b/components/org.wso2.carbon.identity.conditional.auth.functions.jwt.decode/src/main/java/org/wso2/carbon/identity/conditional/auth/functions/jwt/decode/JwtDecodeImpl.java
index fbf7fd48..64cba053 100644
--- a/components/org.wso2.carbon.identity.conditional.auth.functions.jwt.decode/src/main/java/org/wso2/carbon/identity/conditional/auth/functions/jwt/decode/JwtDecodeImpl.java
+++ b/components/org.wso2.carbon.identity.conditional.auth.functions.jwt.decode/src/main/java/org/wso2/carbon/identity/conditional/auth/functions/jwt/decode/JwtDecodeImpl.java
@@ -26,6 +26,7 @@
 import org.wso2.carbon.identity.application.authentication.framework.exception.FrameworkException;
 
 import java.text.ParseException;
+import java.util.Map;
 
 /**
  * Represents javascript function provided in conditional authentication to decode a jwt assertion and retrieve
@@ -68,12 +69,28 @@ public String getValueFromDecodedAssertion(String clientAssertion, String parame
     public JSONObject getDecodedAssertion(String encodedAssertion, boolean isParameterInPayload) throws ParseException {
 
         JWSObject plainObject;
+        Map<String, Object> resultMap;
 
         plainObject = JWSObject.parse(encodedAssertion);
         if (isParameterInPayload) {
-            return plainObject.getPayload().toJSONObject();
+            resultMap = plainObject.getPayload().toJSONObject();
         } else {
-            return plainObject.getHeader().toJSONObject();
+            resultMap = plainObject.getHeader().toJSONObject();
+        }
+        JSONObject jsonObject = new JSONObject(resultMap);
+        recursivelyConvertToJson(jsonObject);
+        return jsonObject;
+    }
+
+    private void recursivelyConvertToJson(JSONObject jsonObject) {
+
+        for (String key : jsonObject.keySet()) {
+            Object value = jsonObject.get(key);
+            if (value instanceof Map) {
+                // Recursively convert any Map to JSONObject
+                jsonObject.put(key, new JSONObject((Map<String, Object>) value));
+                recursivelyConvertToJson((JSONObject) jsonObject.get(key));
+            }
         }
     }
 
diff --git a/pom.xml b/pom.xml
index 97b2b940..f1540715 100644
--- a/pom.xml
+++ b/pom.xml
@@ -569,8 +569,8 @@
         <httpasyncclient.version>4.1.3.wso2v1</httpasyncclient.version>
         <httpasyncclient.version.osgi.import.range>[4.1.3.wso2v1,5.0)</httpasyncclient.version.osgi.import.range>
         <carbon.p2.plugin.version>1.5.3</carbon.p2.plugin.version>
-        <nimbusds.version>7.3.0.wso2v1</nimbusds.version>
-        <nimbusds.osgi.version.range>[7.3.0,8.0.0)</nimbusds.osgi.version.range>
+        <nimbusds.version>10.3.0.wso2v1</nimbusds.version>
+        <nimbusds.osgi.version.range>[10.0.0,11.0.0)</nimbusds.osgi.version.range>
         <json-smart.version>2.4.9</json-smart.version>
         <net.minidev.json.imp.pkg.version.range>[2.3,3)</net.minidev.json.imp.pkg.version.range>
         <mockito.version>1.10.19</mockito.version>