diff --git a/pyproject.toml b/pyproject.toml
index 2f49f5b..a30fb90 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
 [project.optional-dependencies]
 research = [
   "numpy>=1.26",
-  "pandas>=2.0",
+  "pandas>=3.0.5",
 ]
 
 [tool.setuptools]