diff --git a/app/config.py b/app/config.py
index aef3ab111..8a9d817bf 100644
--- a/app/config.py
+++ b/app/config.py
@@ -340,7 +340,7 @@ class Config(object):
 
     FREE_SMS_TIER_FRAGMENT_COUNT = 250000
 
-    TOTAL_MESSAGE_LIMIT = 100000
+    TOTAL_MESSAGE_LIMIT = 5000000
 
     DAILY_MESSAGE_LIMIT = notifications_utils.DAILY_MESSAGE_LIMIT
 
diff --git a/app/dao/notifications_dao.py b/app/dao/notifications_dao.py
index 77ce75224..9a4f219a8 100644
--- a/app/dao/notifications_dao.py
+++ b/app/dao/notifications_dao.py
@@ -305,8 +305,8 @@ def dao_get_notification_count_for_service(*, service_id):
 
 
 def dao_get_notification_count_for_service_message_ratio(service_id, current_year):
-    start_date = datetime(current_year, 1, 1)
-    end_date = datetime(current_year + 1, 1, 1)
+    start_date = datetime(current_year, 6, 16)
+    end_date = datetime(current_year + 1, 6, 16)
     stmt1 = (
         select(func.count())
         .select_from(Notification)
diff --git a/migrations/versions/0417_change_total_message_limit.py b/migrations/versions/0417_change_total_message_limit.py
new file mode 100644
index 000000000..20afd6a9b
--- /dev/null
+++ b/migrations/versions/0417_change_total_message_limit.py
@@ -0,0 +1,25 @@
+"""
+
+Revision ID: 0417_change_total_message_limit
+Revises: 0416_readd_e2e_test_user
+Create Date: 2025-06-12 11:35:22.873930
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+down_revision = "0416_readd_e2e_test_user"
+revision = "0417_change_total_message_limit"
+
+
+def upgrade():
+    op.execute(
+        "UPDATE services set total_message_limit=5000000 where total_message_limit=100000"
+    )
+
+
+def downgrade():
+    op.execute(
+        "UPDATE services set total_message_limit=100000 where total_message_limit=5000000"
+    )