diff --git a/composer.json b/composer.json
index 002d70a2..edc2d39d 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,8 @@
         "symfony/var-dumper": "^6.4 || ^7.1"
     },
     "conflict": {
-        "mongodb/mongodb": "<1.20"
+        "mongodb/mongodb": "<1.20",
+        "phpdocumentor/reflection-docblock": ">=5.6"
     },
     "suggest": {
         "codewithkyrian/chromadb-php": "For using the ChromaDB as retrieval vector store.",