diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index a91f012..1673959 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -38,7 +38,7 @@ dependencies = [
     "starlette==1.0.1",
     "vaderSentiment>=3.3.0",
     "uvicorn==0.34.0",
-    "yfinance==1.3.0",
+    "yfinance==1.5.1",
 ]
 
 [project.optional-dependencies]