diff --git a/requirements.txt b/requirements.txt
index ed37c6c1..24c3ab8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,9 @@ jinja2
 langchain-text-splitters
 openai>=1.13.3,<2.0.0
 rouge_score
+# Note: this dependency goes along with langchain-text-splitters and mayt be
+#       removed once that one is removed.
+# do not use 8.4.0 due to a bug in the library
+# https://github.com/instructlab/instructlab/issues/1389
+tenacity>=8.3.0,!=8.4.0
 tqdm>=4.66.2,<5.0.0