diff --git a/.config/constraints.txt b/.config/constraints.txt
index 1a6fe5c..eb74d69 100644
--- a/.config/constraints.txt
+++ b/.config/constraints.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.9
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile --all-extras --no-annotate --output-file=.config/constraints.txt --strip-extras pyproject.toml
diff --git a/tox.ini b/tox.ini
index f49f866..982f3e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -56,7 +56,8 @@ extras =
 description = Update dependency lock files
 # Force it to use oldest supported version of python or we would lose ability
 # to get pinning correctly.
-basepython = python3.9
+basepython = python3.10
+skip_install = true
 deps =
     pip-tools >= 6.12.3
 setenv =