diff --git a/pyproject.toml b/pyproject.toml
index 64affc8556..76a22df04a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ dev = [
   "mock==5.2.0",
   "moto[all]==5.1.11",
   "openapi-schema-validator==0.6.3",
-  "openapi-spec-validator==0.7.1",
+  "openapi-spec-validator==0.9.0",
   "prek==0.3.9",
   "pylint==3.3.4",
   "pytest==9.0.3",