diff --git a/pyproject.toml b/pyproject.toml
index 002a7d2b0..9d84901f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -107,7 +107,7 @@ dependencies = [
     "loguru>=0.7.3,<1",
     "openslide-bin>=4.0.0.10,<5",
     "openslide-python>=1.4.3,<2",
-    "pandas>=2.3.3,<3",
+    "pandas>=2.3.3,<4",
     "platformdirs>=4.3.2,<5",
     "procrastinate>=3.5.3",
     "fastparquet>=2025.12.0,<2026.0.0; python_version < '3.14'",