diff --git a/pyproject.toml b/pyproject.toml
index 602e315..25b2586 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ classifiers = [
 ]
 requires-python = ">=3.13"
 dependencies = [
-    "etos_lib==5.1.4",
+    "etos_lib==5.1.6",
     "opentelemetry-api~=1.21",
     "opentelemetry-exporter-otlp~=1.21",
     "opentelemetry-sdk~=1.21",