diff --git a/pyproject.toml b/pyproject.toml
index 51c86cc..659a3c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
     "Typing :: Typed",
 ]
 dependencies = [
-    "opentelemetry-api ~= 1.40.0",
+    "opentelemetry-api >= 1.40,< 1.42",
     "opentelemetry-sdk ~= 1.40.0",
     "opentelemetry-exporter-otlp ~= 1.40.0",
     "opentelemetry-instrumentation ~= 0.61b0",