diff --git a/requirements-ci.txt b/requirements-ci.txt
index f96a8cd..371e37e 100644
--- a/requirements-ci.txt
+++ b/requirements-ci.txt
@@ -1,7 +1,7 @@
 # Lean CI deps — no optional Laya packages (laya / laya-mlx).
 numpy>=2.0
 pandas>=2.1.0
-yfinance>=0.2.40
+yfinance>=1.7.0
 matplotlib>=3.8.0
 requests>=2.34.2
 urllib3>=2.7.0
diff --git a/requirements-release.txt b/requirements-release.txt
index d6e1160..d31306e 100644
--- a/requirements-release.txt
+++ b/requirements-release.txt
@@ -2,7 +2,7 @@
 # Keep pins loose like requirements.txt for CI PyInstaller builds.
 numpy>=2.0
 pandas>=2.1.0
-yfinance>=0.2.40
+yfinance>=1.7.0
 matplotlib>=3.8.0
 requests>=2.34.2
 urllib3>=2.7.0
diff --git a/requirements.txt b/requirements.txt
index 694611a..e189f64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy>=2.0
 pandas>=2.1.0
-yfinance>=0.2.40
+yfinance>=1.7.0
 matplotlib>=3.8.0
 requests>=2.34.2
 urllib3>=2.7.0