diff --git a/.bazelrc b/.bazelrc
index 649fed5..e93351c 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -46,3 +46,7 @@ build --@pypi//venv=dev
 # Ruff linting via aspect_rules_lint
 build --aspects=//tools/bzl:linters.bzl%ruff
 build --@aspect_rules_lint//lint:fail_on_violation
+
+# Use free-threaded Python 3.14t
+build --@aspect_rules_py//py/private/interpreter:freethreaded=true
+build --@rules_python//python/config_settings:py_freethreaded=yes
diff --git a/MODULE.bazel b/MODULE.bazel
index 876b157..9694206 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -8,6 +8,7 @@ register_toolchains("//tools/bzl:python_toolchain_toolchain")
 # --- Core dependencies ---
 
 bazel_dep(name = "bazel_skylib", version = "1.9.0")
+bazel_dep(name = "platforms", version = "1.0.0")
 bazel_dep(name = "rules_python", version = "1.9.0")
 bazel_dep(name = "rules_go", version = "0.60.0")
 bazel_dep(name = "gazelle", version = "0.47.0")