diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2eb06a2..c0986fb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,5 +16,5 @@ build>=1.0.0,<2.0.0
 twine>=4.0.0,<5.0.0
 
 # OpenAPI tools
-openapi-spec-validator>=0.7.0,<1.0.0
+openapi-spec-validator>=0.9.0,<1.0.0