diff --git a/requirements.txt b/requirements.txt
index 45f8140ab..487c7df86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,3 +48,6 @@ beaker-py
 litellm
 matplotlib
 ray
+# for data decontamination
+elasticsearch==8.6.2
+spacy==3.7.6