diff --git a/requirements.txt b/requirements.txt
index a9a9f5f..ee5546f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ python-dotenv==1.0.0
 tc-hivemind-backend==1.1.0
 celery>=5.3.6, <6.0.0
 guidance
-tc-messageBroker>=1.6.5, <2.0.0
\ No newline at end of file
+tc-messageBroker>=1.6.4, <2.0.0
\ No newline at end of file