diff --git a/pyproject.toml b/pyproject.toml
index 43b0e8f6..12aea11e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,8 @@ dependencies = [
     "openai>=2.2,<3", # Required by openai-agents 0.4.2; litellm now supports openai 2.x (issue #13711 resolved: https://github.com/BerriAI/litellm/issues/13711)
     "cloudpickle>=3.1.1",
     "datadog>=0.52.1",
-    "ddtrace>=3.13.0"
+    "ddtrace>=3.13.0",
+    "yaspin>=3.1.0",
 ]
 requires-python = ">= 3.12,<4"
 classifiers = [