diff --git a/stdlib/math.pyi b/stdlib/math.pyi
index d5e6f99df..2218f6817 100644
--- a/stdlib/math.pyi
+++ b/stdlib/math.pyi
@@ -41,6 +41,10 @@ if sys.version_info >= (3, 8):
 def erf(__x: _SupportsFloatOrIndex) -> float: ...
 def erfc(__x: _SupportsFloatOrIndex) -> float: ...
 def exp(__x: _SupportsFloatOrIndex) -> float: ...
+
+if sys.version_info >= (3, 11):
+    def exp2(__x: _SupportsFloatOrIndex) -> float: ...
+
 def expm1(__x: _SupportsFloatOrIndex) -> float: ...
 def fabs(__x: _SupportsFloatOrIndex) -> float: ...