diff --git a/pyproject.toml b/pyproject.toml
index 3e6b1ce0..f6cfc03b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
     "numpy==1.26.4",
     "pandas==2.2.0",
     "pyarrow==15.0.0",
-    "openpyxl==3.1.2",
+    "openpyxl==3.1.5",
     "geopandas==0.14.3",
 ]
 [project.optional-dependencies]