diff --git a/nix/build-all.py b/nix/build-all.py
index 8c4e9a2d21..cc3565f519 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -131,7 +131,7 @@ USE_CURRENT_PYTHON_VERSION = os.getenv("USE_CURRENT_PYTHON_VERSION")
 ADD_COMMIT_SHA = os.getenv("ADD_COMMIT_SHA")
 
 PYTHON_VERSIONS = ["3.9.11", "3.10.3", "3.11.8", "3.12.1", "3.13.0"]
-JSON_VERSION = "3.10.0"
+JSON_VERSION = "3.11.3"
 OCE_VERSION = "0.18.3"
 OCCT_VERSION = "7.8.1"
 BOOST_VERSION = "1.86.0"