diff --git a/setup.cfg b/setup.cfg
index 434e22c2..58e71825 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -45,7 +45,6 @@ docs =
     zope.interface
 crypto =
     cryptography>=3.3.1
-    types-cryptography>=3.3.21
 tests =
     pytest>=6.0.0,<7.0.0
     coverage[toml]==5.0.4