diff --git a/poetry.lock b/poetry.lock
index 7b35c91..d74595a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -321,7 +321,7 @@ setuptools = "*"
 
 [[package]]
 name = "openapi-schema-validator"
-version = "0.4.2"
+version = "0.4.3"
 description = "OpenAPI schema validation for Python"
 category = "main"
 optional = false
@@ -329,9 +329,7 @@ python-versions = ">=3.7.0,<4.0.0"
 
 [package.dependencies]
 jsonschema = ">=4.0.0,<5.0.0"
-
-[package.extras]
-rfc3339-validator = ["rfc3339-validator"]
+rfc3339-validator = "*"
 
 [[package]]
 name = "packaging"
@@ -530,6 +528,17 @@ urllib3 = ">=1.21.1,<1.27"
 socks = ["PySocks (>=1.5.6,!=1.5.7)"]
 use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 
+[[package]]
+name = "rfc3339-validator"
+version = "0.1.4"
+description = "A pure python RFC3339 validator"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.dependencies]
+six = "*"
+
 [[package]]
 name = "setuptools"
 version = "67.0.0"
@@ -547,7 +556,7 @@ testing-integration = ["build[virtualenv]", "filelock (>=3.4.0)", "jaraco.envs (
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
@@ -656,7 +665,7 @@ requests = ["requests"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.0"
-content-hash = "d9d3187d17f169b89be14752bfd772c7261bac388f5d4c698fdd674184d7f2d4"
+content-hash = "dec116bcea5b97bdc9e91563d2d8e24107bd3fa66056f133cc2d08a24143cf71"
 
 [metadata.files]
 astor = [
@@ -893,8 +902,8 @@ nodeenv = [
     {file = "nodeenv-1.7.0.tar.gz", hash = "sha256:e0e7f7dfb85fc5394c6fe1e8fa98131a2473e04311a45afb6508f7cf1836fa2b"},
 ]
 openapi-schema-validator = [
-    {file = "openapi_schema_validator-0.4.2-py3-none-any.whl", hash = "sha256:a7978f231244e167819607e15f821546a381e469577de47428cb3fe5af59c737"},
-    {file = "openapi_schema_validator-0.4.2.tar.gz", hash = "sha256:6613714d6a9aee10b4268c47ba85b5b0b3ce87ac0e51e6b290e837994a6c61b7"},
+    {file = "openapi_schema_validator-0.4.3-py3-none-any.whl", hash = "sha256:f1eff2a7936546a3ce62b88a17d09de93c9bd229cbc43cb696c988a61a382548"},
+    {file = "openapi_schema_validator-0.4.3.tar.gz", hash = "sha256:6940dba9f4906c97078fea6fd9d5a3a3384207db368c4e32f6af6abd7c5c560b"},
 ]
 packaging = [
     {file = "packaging-21.3-py3-none-any.whl", hash = "sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522"},
@@ -1021,6 +1030,10 @@ requests = [
     {file = "requests-2.28.1-py3-none-any.whl", hash = "sha256:8fefa2a1a1365bf5520aac41836fbee479da67864514bdb821f31ce07ce65349"},
     {file = "requests-2.28.1.tar.gz", hash = "sha256:7c5599b102feddaa661c826c56ab4fee28bfd17f5abca1ebbe3e7f19d7c97983"},
 ]
+rfc3339-validator = [
+    {file = "rfc3339_validator-0.1.4-py2.py3-none-any.whl", hash = "sha256:24f6ec1eda14ef823da9e36ec7113124b39c04d50a4d3d3a3c2859577e7791fa"},
+    {file = "rfc3339_validator-0.1.4.tar.gz", hash = "sha256:138a2abdf93304ad60530167e51d2dfb9549521a836871b88d7f4695d0022f6b"},
+]
 setuptools = [
     {file = "setuptools-67.0.0-py3-none-any.whl", hash = "sha256:9d790961ba6219e9ff7d9557622d2fe136816a264dd01d5997cfc057d804853d"},
     {file = "setuptools-67.0.0.tar.gz", hash = "sha256:883131c5b6efa70b9101c7ef30b2b7b780a4283d5fc1616383cdf22c83cbefe6"},
diff --git a/pyproject.toml b/pyproject.toml
index 4cebf1e..dc0dc5f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 jsonschema = "^4.0.0"
-openapi-schema-validator = ">=0.3.2,<0.5"
+openapi-schema-validator = "^0.4.2"
 python = "^3.7.0"
 requests = {version = "*", optional = true}
 importlib-resources = {version = "^5.8.0", python = "<3.9" }