diff --git a/poetry.lock b/poetry.lock
index 6c046ea..3b37664 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -383,20 +383,19 @@ python-versions = "*"
 
 [[package]]
 name = "jsonschema"
-version = "3.2.0"
+version = "4.9.0"
 description = "An implementation of JSON Schema validation for Python"
 category = "main"
 optional = false
-python-versions = "*"
+python-versions = ">=3.7"
 
 [package.dependencies]
 attrs = ">=17.4.0"
-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 = "lml"
@@ -845,7 +844,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "7917ddbfbfe537f543d61ee70cc86803e5c0d59e07b47fae0c9a788110119e42"
+content-hash = "7ff17c85c89b95cc28ebecaaeeb448fe8251082e1038e156e1d7663327c2f099"
 
 [metadata.files]
 attrs = []
@@ -946,10 +945,7 @@ jdcal = [
     {file = "jdcal-1.4.1-py2.py3-none-any.whl", hash = "sha256:1abf1305fce18b4e8aa248cf8fe0c56ce2032392bc64bbd61b5dff2a19ec8bba"},
     {file = "jdcal-1.4.1.tar.gz", hash = "sha256:472872e096eb8df219c23f2689fc336668bdb43d194094b5cc1707e1640acfc8"},
 ]
-jsonschema = [
-    {file = "jsonschema-3.2.0-py2.py3-none-any.whl", hash = "sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163"},
-    {file = "jsonschema-3.2.0.tar.gz", hash = "sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a"},
-]
+jsonschema = []
 lml = [
     {file = "lml-0.1.0-py2.py3-none-any.whl", hash = "sha256:ec06e850019942a485639c8c2a26bdb99eae24505bee7492b649df98a0bed101"},
     {file = "lml-0.1.0.tar.gz", hash = "sha256:57a085a29bb7991d70d41c6c3144c560a8e35b4c1030ffb36d85fa058773bcc5"},
diff --git a/pyproject.toml b/pyproject.toml
index a888c07..1ec1a0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ openpyxl = "^2.6.4"
 django-app-namespace-template-loader = "^0.4.1"
 django-filter = "^2.0.0"
 whitenoise = "^6.2.0"
-jsonschema = "^3.2.0"
+jsonschema = "^4.9.0"
 Markdown = "^3.2.2"
 uWSGI = "^2.0.18"
 gunicorn = "^20.1.0"