diff --git a/mypy.ini b/mypy.ini
index a7584a14..c2829834 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -44,7 +44,7 @@ ignore_missing_imports = True
 ignore_missing_imports = True
 [mypy-dateutil.*]
 ignore_missing_imports = True
-[mypy-deprecated.sphix.*]
+[mypy-deprecated.sphinx.*]
 ignore_missing_imports = True
 # Don't check LSST packages generally or even try to import them, since most
 # don't have type annotations.