diff --git a/stdlib/2and3/fractions.pyi b/stdlib/2and3/fractions.pyi
index d66b63783..81d056a07 100644
--- a/stdlib/2and3/fractions.pyi
+++ b/stdlib/2and3/fractions.pyi
@@ -25,17 +25,13 @@ if sys.version_info < (3, 9):
 
 class Fraction(Rational):
     @overload
-    def __init__(self,
-                 numerator: Union[int, Rational] = ...,
-                 denominator: Optional[Union[int, Rational]] = ...,
-                 *,
-                 _normalize: bool = ...) -> None: ...
+    def __new__(cls,
+                numerator: Union[int, Rational] = ...,
+                denominator: Optional[Union[int, Rational]] = ...,
+                *,
+                _normalize: bool = ...) -> Fraction: ...
     @overload
-    def __init__(self, value: float, *, _normalize: bool = ...) -> None: ...
-    @overload
-    def __init__(self, value: Decimal, *, _normalize: bool = ...) -> None: ...
-    @overload
-    def __init__(self, value: str, *, _normalize: bool = ...) -> None: ...
+    def __new__(cls, __value: Union[float, Decimal, str], *, _normalize: bool = ...) -> Fraction: ...
 
     @classmethod
     def from_float(cls, f: float) -> Fraction: ...
diff --git a/tests/stubtest_whitelists/py35.txt b/tests/stubtest_whitelists/py35.txt
index 32f4e4121..844f9c827 100644
--- a/tests/stubtest_whitelists/py35.txt
+++ b/tests/stubtest_whitelists/py35.txt
@@ -23,6 +23,7 @@ collections.Reversible
 collections.UserString.maketrans
 ctypes.CDLL.__init__
 decimal.Decimal.as_integer_ratio
+fractions.Fraction.__new__  # private _normalize param was made keyword-only in Python 3.6
 gettext.NullTranslations.npgettext
 gettext.NullTranslations.pgettext
 gettext.dnpgettext