diff --git a/make_help_scripts/create_pr_stats.py b/make_help_scripts/create_pr_stats.py
index 2e3df9f2697..6cab4fa0dc1 100644
--- a/make_help_scripts/create_pr_stats.py
+++ b/make_help_scripts/create_pr_stats.py
@@ -15,7 +15,7 @@
 
 import requests
 import os
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 import time
 
 def get_api_response(url):
@@ -633,7 +633,7 @@ def create_contributors_table_with_graph(contributors_stats, user_details, table
 
 def print_reviewers_stats(reviewers_stats):
   """
-  Prints the statistics of the reviewers.
+  Prints the statistics of the 10 reviewers with most finished reviews.
 
   Args:
     reviewers_stats (dict): A dictionary containing the statistics of the reviewers.
@@ -646,7 +646,7 @@ def print_reviewers_stats(reviewers_stats):
 
 def print_contributors_stats(contributors_stats):
   """
-  Prints the statistics of the contributors.
+  Prints the statistics of the 10 contributors with the most line changes.
 
   Args:
     contributors_stats (dict): A dictionary containing the statistics of the contributors.
@@ -685,7 +685,7 @@ def print_contributors_stats(contributors_stats):
   "control_msgs": "master",
   "control.ros.org": "master",
   "gazebo_ros2_control": "master",
-  "gz_ros2_control": "master",
+  "gz_ros2_control": "rolling",
   "kinematics_interface": "master",
   "ros2_control_ci": "master",
   "ros2_rhel": "main",
@@ -696,7 +696,7 @@ def print_contributors_stats(contributors_stats):
 blacklist = ["dependabot[bot]", "mergify[bot]"]
 
 # Get the current date and time
-current_date = datetime.utcnow()
+current_date = datetime.now(timezone.utc)
 
 # Calculate one year ago from the current date
 one_year_ago = current_date - timedelta(days=365)
diff --git a/make_help_scripts/deploy_defines.py b/make_help_scripts/deploy_defines.py
index 3f91233f822..cca668b2b6c 100644
--- a/make_help_scripts/deploy_defines.py
+++ b/make_help_scripts/deploy_defines.py
@@ -63,7 +63,9 @@ def add_pr_stats_file():
     "galactic": "galactic",
     "humble": "humble",
     "iron": "iron",
-    base_branch: "jazzy"
+    "jazzy": "jazzy",
+    base_branch: "jazzy", # PRs are tested on jazzy
+    "master": "rolling"
 }
 
 # the subrepos which are cloned into the branches and, optionally, their corresponding PR for checkout
@@ -78,7 +80,7 @@ def add_pr_stats_file():
             "humble": "humble",
             "iron": "iron",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": os.environ.get('ROS2_CONTROL_PR')
     },
@@ -90,7 +92,7 @@ def add_pr_stats_file():
             "humble": "humble",
             "iron": "iron",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": os.environ.get('ROS2_CONTROLLERS_PR')
     },
@@ -102,7 +104,7 @@ def add_pr_stats_file():
             "humble": "humble",
             "iron": "iron",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": os.environ.get('ROS2_CONTROL_DEMOS_PR')
     },
@@ -114,7 +116,7 @@ def add_pr_stats_file():
             "humble": "humble",
             "iron": "iron",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": os.environ.get('GAZEBO_ROS2_CONTROL_PR')
     },
@@ -138,7 +140,7 @@ def add_pr_stats_file():
             "humble": "ros2-master",
             "iron": "ros2-master",
             "jazzy": "ros2-master",
-            "rolling": "ros2-master"  # master is rolling
+            "rolling": "ros2-master"
         },
         "pr": None
     },
@@ -150,7 +152,7 @@ def add_pr_stats_file():
             "humble": "humble",
             "iron": "master",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": None
     },
@@ -162,7 +164,7 @@ def add_pr_stats_file():
             "humble": "master",
             "iron": "master",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": None
     },
@@ -174,7 +176,7 @@ def add_pr_stats_file():
             "humble": "humble",
             "iron": "master",
             "jazzy": "master",
-            "rolling": "master"  # master is rolling
+            "rolling": "master"
         },
         "pr": None
     }