diff --git a/pyproject.toml b/pyproject.toml
index d61d1a1..aa138de 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 otel = [
     "opentelemetry-api>=1.20",
     "opentelemetry-sdk>=1.20",
-    "opentelemetry-exporter-otlp-proto-http>=1.20",
+    "opentelemetry-exporter-otlp-proto-http>=1.42.1",
 ]
 
 [project.scripts]