diff --git a/requirements.txt b/requirements.txt
index c216410..4a5a20a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ charset-normalizer==2.1.1
 click==8.1.3
 idna==3.4
 iniconfig==1.1.1
-opensearch-py==2.15
+opensearch-py==2.6.0
 packaging==21.3
 parameterized==0.8.1
 pluggy==1.0.0