diff --git a/pyproject.toml b/pyproject.toml
index 8640b40fa..8a55e0b67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ keywords = [
 ]
 dynamic = ["version"]
 dependencies = [
-    "elastic-transport>=8.13,<9",
+    "elastic-transport>=8.15.1,<9",
 ]
 
 [project.optional-dependencies]