diff --git a/setup.cfg b/setup.cfg
index 0683720..d7915b7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -35,7 +35,7 @@ install_requires =
 
 [options.extras_require]
 openapi =
-	apispec>=3.0,<6
+	apispec>=3.0,<7
 	PyYAML>=5.4,<7
 testing =
 	pytest~=6.2