diff --git a/poetry.lock b/poetry.lock
index c43599c..118ad04 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -318,7 +318,7 @@ i18n = ["Babel (>=0.8)"]
 
 [[package]]
 name = "jsonschema"
-version = "3.2.0"
+version = "4.0.0"
 description = "An implementation of JSON Schema validation for Python"
 category = "main"
 optional = false
@@ -327,12 +327,11 @@ python-versions = "*"
 [package.dependencies]
 attrs = ">=17.4.0"
 importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
-pyrsistent = ">=0.14.0"
-six = ">=1.11.0"
+pyrsistent = ">=0.14.0,<0.17.0 || >0.17.0,<0.17.1 || >0.17.1,<0.17.2 || >0.17.2"
 
 [package.extras]
-format = ["idna", "jsonpointer (>1.13)", "rfc3987", "strict-rfc3339", "webcolors"]
-format_nongpl = ["idna", "jsonpointer (>1.13)", "webcolors", "rfc3986-validator (>0.1.0)", "rfc3339-validator"]
+format = ["fqdn", "idna", "isoduration", "jsonpointer (>1.13)", "rfc3339-validator", "rfc3987", "uri-template", "webcolors (>=1.11)"]
+format_nongpl = ["fqdn", "idna", "isoduration", "jsonpointer (>1.13)", "rfc3339-validator", "rfc3986-validator (>0.1.0)", "uri-template", "webcolors (>=1.11)"]
 
 [[package]]
 name = "lazy-object-proxy"
@@ -922,7 +921,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "fd3e4e410861a5c5b2380fea822dfe813ba90c47dd1d1730de8b755405de28bd"
+content-hash = "7aecf1f89f3453c348dfb9ef66e0c74c8e5cfe1ed6dc2f6a97283d4a2ab26945"
 
 [metadata.files]
 alabaster = [
@@ -1087,8 +1086,8 @@ jinja2 = [
     {file = "Jinja2-2.11.3.tar.gz", hash = "sha256:a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6"},
 ]
 jsonschema = [
-    {file = "jsonschema-3.2.0-py2.py3-none-any.whl", hash = "sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163"},
-    {file = "jsonschema-3.2.0.tar.gz", hash = "sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a"},
+    {file = "jsonschema-4.0.0-py3-none-any.whl", hash = "sha256:c773028c649441ab980015b5b622f4cd5134cf563daaf0235ca4b73cc3734f20"},
+    {file = "jsonschema-4.0.0.tar.gz", hash = "sha256:bc51325b929171791c42ebc1c70b9713eb134d3bb8ebd5474c8b659b15be6d86"},
 ]
 lazy-object-proxy = [
     {file = "lazy-object-proxy-1.6.0.tar.gz", hash = "sha256:489000d368377571c6f982fba6497f2aa13c6d1facc40660963da62f5c379726"},
diff --git a/pyproject.toml b/pyproject.toml
index 22233e3..873022a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ apispec_webframeworks = "^0.5.2"
 pytest = "^6.2"
 black = {version = "^20.8b1",allow-prereleases = true}
 pytest-cov = "^2.11.1"
-jsonschema = "^3.2.0"
+jsonschema = "^4.0.0"
 pylint = "^2.10.2"
 sphinx = "^4.1.1"
 sphinx-autoapi = "^1.8.4"