diff --git a/pyproject.toml b/pyproject.toml
index 891646d..6547415 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
 
 [project.optional-dependencies]
 otel = [
-    "opentelemetry-api>=1.20",
+    "opentelemetry-api>=1.43.0",
     "opentelemetry-sdk>=1.20",
     "opentelemetry-exporter-otlp-proto-http>=1.20",
 ]