diff --git a/dev.cfg b/dev.cfg
index 8eac158..f918d3a 100644
--- a/dev.cfg
+++ b/dev.cfg
@@ -82,6 +82,7 @@ eggs +=
 #    archetypes.schematuning
     plone.reload
     collective.profiler
+    Products.PloneHotfix20210518
     Products.DCWorkflowGraph
     ${debug:eggs}
 
diff --git a/versions-dev.cfg b/versions-dev.cfg
index 87ab5fa..3868ba3 100644
--- a/versions-dev.cfg
+++ b/versions-dev.cfg
@@ -49,3 +49,4 @@ collective.MockMailHost = 2.0.0
 #plone.app.relationfield = 1.3.0
 
 collective.dexteritytextindexer = 2.2.1
+Products.PloneHotfix20210518 = 1.6