diff --git a/CHANGELOG.md b/CHANGELOG.md
index b39d4f6..31f8b27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+(post 4.1.1 release)
 ### Added
 ### Changed
+- listJobs no longer takes username as an argument, you can only list jobs for the current `MAAP_PGT` token user
+- submitJob gets the username from the `MAAP_PGT` token and not username being submitted as an argument 
 ### Deprecated
 ### Removed
 ### Fixed
diff --git a/maap/maap.py b/maap/maap.py
index 19514f1..704f92d 100644
--- a/maap/maap.py
+++ b/maap/maap.py
@@ -259,7 +259,7 @@ def cancelJob(self, jobid):
         job.id = jobid
         return job.cancel_job()
 
-    def listJobs(self, username=None, *,
+    def listJobs(self, *,
                        algo_id=None, 
                        end_time=None, 
                        get_job_details=True, 
@@ -274,7 +274,6 @@ def listJobs(self, username=None, *,
         Returns a list of jobs for a given user that matches query params provided.
 
         Args:
-            username (str, optional): Platform user. If no username is provided, the profile username will be used.
             algo_id (str, optional): Algorithm type.
             end_time (str, optional): Specifying this parameter will return all jobs that have completed from the provided end time to now. e.g. 2024-01-01 or 2024-01-01T00:00:00.000000Z.
             get_job_details (bool, optional): Flag that determines whether to return a detailed job list or a compact list containing just the job ids and their associated job tags. Default is True.
@@ -290,18 +289,11 @@ def listJobs(self, username=None, *,
             list: List of jobs for a given user that matches query params provided.
 
         Raises:
-            ValueError: If username is not provided and cannot be obtained from the user's profile.
             ValueError: If either algo_id or version is provided, but not both.
         """
-        if username is None and self.profile is not None and 'username' in self.profile.account_info().keys():
-            username = self.profile.account_info()['username']
-
-        if username is None:
-            raise ValueError("Unable to determine username from profile. Please provide a username.")
-
         url = "/".join(
             segment.strip("/")
-            for segment in (self.config.dps_job, username, endpoints.DPS_JOB_LIST)
+            for segment in (self.config.dps_job, endpoints.DPS_JOB_LIST)
         )
         
         params = {
@@ -316,7 +308,6 @@ def listJobs(self, username=None, *,
                 ("start_time", start_time),
                 ("status", status),
                 ("tag", tag),
-                ("username", username),
                 ("version", version),
             )
             if v is not None
@@ -349,6 +340,10 @@ def listJobs(self, username=None, *,
         return response
 
     def submitJob(self, identifier, algo_id, version, queue, retrieve_attributes=False, **kwargs):
+        # Note that this is temporary and will be removed when we remove the API not requiring username to submit a job
+        # Also this now overrides passing someone else's username into submitJob since we don't want to allow that 
+        if self.profile is not None and self.profile.account_info() is not None and 'username' in self.profile.account_info().keys():
+            kwargs['username'] = self.profile.account_info()['username']
         response = self._DPS.submit_job(request_url=self.config.dps_job,
                                         identifier=identifier, algo_id=algo_id, version=version, queue=queue, **kwargs)
         job = DPSJob(self.config)
diff --git a/pyproject.toml b/pyproject.toml
index bbec84b..7fb5548 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "maap-py"
-version = "4.1.0a3"
+version = "4.2.0"
 description = "Python client API for interacting with the NASA MAAP API"
 repository = "https://github.com/MAAP-Project/maap-py"
 authors = ["Jet Propulsion Laboratory <jpl@nasa.gov>"]