diff --git a/nix/build-all.py b/nix/build-all.py
index 9cdf775040..13f7fb53ab 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -72,7 +72,7 @@ PROJECT_NAME = "IfcOpenShell"
 USE_CURRENT_PYTHON_VERSION = os.getenv("USE_CURRENT_PYTHON_VERSION")
 ADD_COMMIT_SHA = os.getenv("ADD_COMMIT_SHA")
 
-PYTHON_VERSIONS = ["3.6.14", "3.7.12", "3.8.12", "3.9.7", "3.10.0"]
+PYTHON_VERSIONS = ["3.10.5"]
 JSON_VERSION = "v3.6.1"
 OCE_VERSION = "0.18.3"
 OCCT_VERSION = "7.6.2"