diff --git a/pyproject.toml b/pyproject.toml
index 9442074..c98d771 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 requires-python = ">=3.9"
-dependencies = ["click~=8.0", "pandas~=1.3"]
+dependencies = ["click~=8.0", "pandas>=1.3,<3.0"]
 
 [project.scripts]
 isd = "isd.cli:main"