diff --git a/.github/workflows/test_outdated_versions.yml b/.github/workflows/test_outdated_versions.yml
index 6bf4d54313aa..e5959dac68f2 100644
--- a/.github/workflows/test_outdated_versions.yml
+++ b/.github/workflows/test_outdated_versions.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: [ "3.11" ]
         responses-version: ["0.13.0", "0.15.0", "0.17.0", "0.19.0", "0.20.0" ]
         werkzeug-version: ["2.0.1", "2.1.1", "2.2.2"]
-        openapi-spec-validator-version: ["0.4.0", "0.5.0"]
+        openapi-spec-validator-version: ["0.5.0"]
 
     steps:
     - name: Checkout repository
diff --git a/moto/apigateway/models.py b/moto/apigateway/models.py
index 7e90765a2e9f..30d109da524d 100644
--- a/moto/apigateway/models.py
+++ b/moto/apigateway/models.py
@@ -6,15 +6,11 @@
 from typing import Any, Dict, List, Optional, Tuple, Union
 from urllib.parse import urlparse
 
-from openapi_spec_validator import validate_spec
 import requests
 import responses
 
-try:
-    from openapi_spec_validator.validation.exceptions import OpenAPIValidationError
-except ImportError:
-    # OpenAPI Spec Validator < 0.5.0
-    from openapi_spec_validator.exceptions import OpenAPIValidationError  # type: ignore
+from openapi_spec_validator import validate_spec
+from openapi_spec_validator.validation.exceptions import OpenAPIValidationError
 from moto.core import BaseBackend, BackendDict, BaseModel, CloudFormationModel
 from .utils import create_id, to_path
 from moto.core.utils import path_url
diff --git a/requirements-tests.txt b/requirements-tests.txt
index 70a535e4844c..a84560db474f 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,7 +1,7 @@
 coverage
 pytest
 pytest-cov
-pytest-ordering
+pytest-order
 pytest-xdist
 freezegun
 pylint
diff --git a/setup.cfg b/setup.cfg
index c49febb48aec..6dc3286068df 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -49,7 +49,7 @@ all =
     PyYAML>=5.1
     cfn-lint>=0.40.0
     sshpubkeys>=3.1.0
-    openapi-spec-validator>=0.2.8
+    openapi-spec-validator>=0.5.0
     pyparsing>=3.0.7
     jsondiff>=1.1.2
     py-partiql-parser==0.4.1
@@ -64,7 +64,7 @@ proxy =
     PyYAML>=5.1
     cfn-lint>=0.40.0
     sshpubkeys>=3.1.0
-    openapi-spec-validator>=0.2.8
+    openapi-spec-validator>=0.5.0
     pyparsing>=3.0.7
     jsondiff>=1.1.2
     py-partiql-parser==0.4.1
@@ -79,7 +79,7 @@ server =
     PyYAML>=5.1
     cfn-lint>=0.40.0
     sshpubkeys>=3.1.0
-    openapi-spec-validator>=0.2.8
+    openapi-spec-validator>=0.5.0
     pyparsing>=3.0.7
     jsondiff>=1.1.2
     py-partiql-parser==0.4.1
@@ -94,7 +94,7 @@ apigateway =
     PyYAML>=5.1
     python-jose[cryptography]>=3.1.0,<4.0.0
     ecdsa!=0.15
-    openapi-spec-validator>=0.2.8
+    openapi-spec-validator>=0.5.0
 apigatewayv2 = PyYAML>=5.1
 applicationautoscaling =
 appsync = graphql-core
@@ -113,7 +113,7 @@ cloudformation =
     PyYAML>=5.1
     cfn-lint>=0.40.0
     sshpubkeys>=3.1.0
-    openapi-spec-validator>=0.2.8
+    openapi-spec-validator>=0.5.0
     pyparsing>=3.0.7
     jsondiff>=1.1.2
     py-partiql-parser==0.4.1
@@ -202,7 +202,7 @@ resourcegroupstaggingapi =
     PyYAML>=5.1
     cfn-lint>=0.40.0
     sshpubkeys>=3.1.0
-    openapi-spec-validator>=0.2.8
+    openapi-spec-validator>=0.5.0
     pyparsing>=3.0.7
     jsondiff>=1.1.2
     py-partiql-parser==0.4.1