diff --git a/src/indexer/package.json b/src/indexer/package.json
index 5f1c115..0ef9300 100644
--- a/src/indexer/package.json
+++ b/src/indexer/package.json
@@ -12,7 +12,7 @@
     "express": "^4.18.2",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
-    "@opensearch-project/opensearch": "^2.5.0",
+    "@opensearch-project/opensearch": "^3.6.0",
     "prom-client": "^15.1.0",
     "uuid": "^10.0.0"
   }
diff --git a/src/search-api/package.json b/src/search-api/package.json
index 32bab6b..d26782c 100644
--- a/src/search-api/package.json
+++ b/src/search-api/package.json
@@ -12,7 +12,7 @@
     "express": "^4.18.2",
     "pg": "^8.11.3",
     "redis": "^4.6.12",
-    "@opensearch-project/opensearch": "^2.5.0",
+    "@opensearch-project/opensearch": "^3.6.0",
     "prom-client": "^15.1.0",
     "uuid": "^10.0.0"
   }