diff --git a/wizard-server/src/Wizard/Database/Migration/Production/Migration_0048_jsonb/Migration.hs b/wizard-server/src/Wizard/Database/Migration/Production/Migration_0048_jsonb/Migration.hs
index 6f1142f00..25602e1f6 100644
--- a/wizard-server/src/Wizard/Database/Migration/Production/Migration_0048_jsonb/Migration.hs
+++ b/wizard-server/src/Wizard/Database/Migration/Production/Migration_0048_jsonb/Migration.hs
@@ -17,6 +17,7 @@ migrate dbPool = do
   changeColumnTypeFromJsonToJsonb dbPool
   replaceFunctionGetBranchStateWithJsonb dbPool
   dropBookReferenceTable dbPool
+  truncateKnowledgeModelTable dbPool
 
 changeColumnTypeFromJsonToJsonb dbPool = do
   let sql =
@@ -89,3 +90,9 @@ dropBookReferenceTable dbPool = do
   let action conn = execute_ conn sql
   liftIO $ withResource dbPool action
   return Nothing
+
+truncateKnowledgeModelTable dbPool = do
+  let sql = "TRUNCATE knowledge_model_cache"
+  let action conn = execute_ conn sql
+  liftIO $ withResource dbPool action
+  return Nothing