diff --git a/numpy/dtypes.pyi b/numpy/dtypes.pyi
index cea64282252b..1b5bb1ebda0a 100644
--- a/numpy/dtypes.pyi
+++ b/numpy/dtypes.pyi
@@ -38,6 +38,7 @@ CLongDoubleDType = np.dtype[np.clongdouble]
 ObjectDType = np.dtype[np.object_]
 BytesDType = np.dtype[np.bytes_]
 StrDType = np.dtype[np.str_]
+StringDType = np.dtype[str]
 VoidDType = np.dtype[np.void]
 DateTime64DType = np.dtype[np.datetime64]
 TimeDelta64DType = np.dtype[np.timedelta64]