diff --git a/mise.toml b/mise.toml
new file mode 100644
index 0000000..631db20
--- /dev/null
+++ b/mise.toml
@@ -0,0 +1,2 @@
+[tools]
+"vfox-pulumi:pulumi/pulumi-docker-build" = "0.0.7" # For upgrade testing.