diff --git a/lago_python_client/models/fee.py b/lago_python_client/models/fee.py
index 7f18c58..a061f8d 100644
--- a/lago_python_client/models/fee.py
+++ b/lago_python_client/models/fee.py
@@ -53,6 +53,8 @@ class FeeResponse(BaseResponseModel):
     total_amount_cents: Optional[int]
     unit_amount_cents: Optional[int]  # deprecated
     precise_unit_amount: Optional[str]
+    sub_total_excluding_taxes_amount_cents: Optional[int]
+    sub_total_excluding_taxes_precise_amount_cents: Optional[str]
     precise_amount: Optional[str]
     precise_total_amount: Optional[str]
     taxes_precise_amount: Optional[str]
diff --git a/tests/fixtures/fee.json b/tests/fixtures/fee.json
index a113067..97a0105 100644
--- a/tests/fixtures/fee.json
+++ b/tests/fixtures/fee.json
@@ -26,6 +26,8 @@
     "total_amount_cents": 140,
     "total_amount_currency": "EUR",
     "units": "10.0",
+    "sub_total_excluding_taxes_amount_cents": 120,
+    "sub_total_excluding_taxes_precise_amount_cents": "120.00",
     "events_count": 10,
     "pricing_unit_details": {
       "lago_pricing_unit_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
diff --git a/tests/fixtures/fees.json b/tests/fixtures/fees.json
index 89558aa..0586c04 100644
--- a/tests/fixtures/fees.json
+++ b/tests/fixtures/fees.json
@@ -25,6 +25,8 @@
       "total_amount_cents": 140,
       "total_amount_currency": "EUR",
       "units": "1.0",
+      "sub_total_excluding_taxes_amount_cents": 120,
+      "sub_total_excluding_taxes_precise_amount_cents": "120.00",
       "events_count": 1,
       "pricing_unit_details": {
         "lago_pricing_unit_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",