build: install tomli-w
diff --git a/molecule/default/tools/install-dependencies b/molecule/default/tools/install-dependencies
index d7e9341..c08b7ba 100755
--- a/molecule/default/tools/install-dependencies
+++ b/molecule/default/tools/install-dependencies
@@ -16,4 +16,5 @@
 pip install \
   --extra-index-url https://vexxhost.github.io/wheels/alpine-3.15/ \
   netaddr \
+  tomli-w \
   'openstacksdk<0.99.0'