diff --git a/nix/build-all.py b/nix/build-all.py
index 402f474335..143f243cc5 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -133,7 +133,7 @@ PROJECT_NAME = "IfcOpenShell"
 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"]
+PYTHON_VERSIONS = ["3.9.11", "3.10.3", "3.11.8", "3.12.1", "3.13.6"]
 JSON_VERSION = "3.11.3"
 OCE_VERSION = "0.18.3"
 OCCT_VERSION = "7.8.1"