diff --git a/pyproject.toml b/pyproject.toml
index b872707..8126e49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
   "pandas>=2.2.0",
   "simpy>=3.0",
   "PyYAML>=5.1",
-  "jsonschema>=4.0.0"
+  "jsonschema>=4.26.0"
 ]
 
 [project.urls]
diff --git a/requirements.txt b/requirements.txt
index 25c3cb2..49f60c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ pandas>=2.2.0
 # simulator
 simpy>=3.0
 PyYAML>=5.1
-jsonschema>=4.0.0
+jsonschema>=4.26.0