diff --git a/poetry.lock b/poetry.lock
index 01cfda1..3be9ae1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -817,7 +817,7 @@ docs = ["sphinx", "sphinx-immaterial"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.0"
-content-hash = "aaa51e67ce9969efceac372e0452cfc2536ff3437785a4c8641ac2300a2bc342"
+content-hash = "020b5019072241eeeafbc1093d69d1bf3bcc51e226ac6b05ed86b5651991412c"
 
 [metadata.files]
 alabaster = [
diff --git a/pyproject.toml b/pyproject.toml
index 921661c..ee4c57c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ include = [
 
 [tool.poetry.dependencies]
 python = "^3.7.0"
-jsonschema = "^4.0.0"
+jsonschema = ">=4.0.0,<4.18.0"
 rfc3339-validator = "*"
 sphinx = {version = "^5.3.0", optional = true}
 sphinx-immaterial = {version = "^0.11.0", optional = true}