diff --git a/src/wwvb/__init__.py b/src/wwvb/__init__.py
index a9da879..88e3b39 100644
--- a/src/wwvb/__init__.py
+++ b/src/wwvb/__init__.py
@@ -727,7 +727,7 @@ class WWVBMinuteIERS(WWVBMinute):
     @classmethod
     def _get_dut1_info(cls, year: int, days: int, old_time: WWVBMinute | None = None) -> tuple[int, bool]:  # noqa: ARG003
         d = datetime.datetime(year, 1, 1, tzinfo=datetime.timezone.utc) + datetime.timedelta(days - 1)
-        return int(round(get_dut1(d) * 10)) * 100, isls(d)
+        return round(get_dut1(d) * 10) * 100, isls(d)
 
 
 def _bcd_bits(n: int) -> Generator[bool, None, None]:
diff --git a/src/wwvb/updateiers.py b/src/wwvb/updateiers.py
index 6e9797a..733e352 100755
--- a/src/wwvb/updateiers.py
+++ b/src/wwvb/updateiers.py
@@ -52,7 +52,7 @@ def update_iersdata(  # noqa: PLR0915
         offs_str = r["UT1-UTC"]
         if not offs_str:
             break
-        offs = int(round(float(offs_str) * 10))
+        offs = round(float(offs_str) * 10)
         if not offsets:
             table_start = datetime.date(1858, 11, 17) + datetime.timedelta(jd)
 
@@ -98,7 +98,7 @@ def update_iersdata(  # noqa: PLR0915
         cells = row.findAll("td")
         when = datetime.datetime.strptime(cells[0].text + "+0000", "%Y-%m-%d%z").date()
         dut1 = cells[2].text.replace("s", "").replace(" ", "")
-        dut1 = int(round(float(dut1) * 10))
+        dut1 = round(float(dut1) * 10)
         if wwvb_dut1 is not None:
             assert wwvb_start is not None
             patch(wwvb_start, when, wwvb_dut1)