diff --git a/pyproject.toml b/pyproject.toml
index 025e7f3fe8..993b958788 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ dependencies = [
     "ruamel-yaml~=0.18",
     "Shapely==2.*",
     "networkx~=3.2",
-    "orjson~=3.8",
+    "orjson>=3.11.6",
     "py4j~=0.10",
     "rich==14.*",
     "typer==0.*",
diff --git a/uv.lock b/uv.lock
index e817433d2a..8a26702b3a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -314,7 +314,7 @@ requires-dist = [
     { name = "jneqsim", specifier = ">=3.0.42" },
     { name = "networkx", specifier = "~=3.2" },
     { name = "numpy", specifier = "<3" },
-    { name = "orjson", specifier = "~=3.8" },
+    { name = "orjson", specifier = ">=3.11.6" },
     { name = "pandas", specifier = "==2.*" },
     { name = "py4j", specifier = "~=0.10" },
     { name = "pydantic", specifier = "<3" },