diff --git a/requirements-dev.txt b/requirements-dev.txt
index 03d3df2..51cf54e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -19,7 +19,7 @@ httpx>=0.24.0
 typer>=0.9.0
 
 # Visualization
-pyqtgraph>=0.13.0
+pyqtgraph>=0.14.0
 
 # Note: PyQt5, pytest-qt, and qtwebengine-related packages are omitted
 # Use system QGIS PyQt5 instead to avoid security issues with qtwebengine
diff --git a/requirements.txt b/requirements.txt
index 8518af0..5872923 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@
 # Note: Most dependencies are provided by QGIS itself (PyQt5, qgis.core, etc.)
 
 # Required for easing curve preview visualization
-pyqtgraph>=0.13.0
+pyqtgraph>=0.14.0