diff --git a/pyproject.toml b/pyproject.toml
index 232587d..0e45c49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dev = [
 [project.optional-dependencies]
 web = [
   "streamlit>=1.50,<2",
-  "pandas>=2.2,<3",
+  "pandas>=2.2,<4",
   "openpyxl>=3.1,<4",
   "google-genai>=1.0,<2",
   "pypdf>=5,<7",
diff --git a/requirements.txt b/requirements.txt
index 12ef698..f1cdab7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 streamlit>=1.50,<2
-pandas>=2.2,<3
+pandas>=2.2,<4
 openpyxl>=3.1,<4
 google-genai>=1.0,<2
 pypdf>=5,<7