diff --git a/plone-6.0.x.cfg b/plone-6.0.x.cfg
index f1fead3..bc10f32 100644
--- a/plone-6.0.x.cfg
+++ b/plone-6.0.x.cfg
@@ -10,4 +10,5 @@ zodb-temporary-storage = off
 [versions]
 plone.rest =
 black = 23.3.0
-pygments = 2.14.0
\ No newline at end of file
+pygments = 2.14.0
+grpcio-tools = 1.59.0
\ No newline at end of file