diff --git a/pyproject.toml b/pyproject.toml
index f74bc7d7..13e5392d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,8 @@ dependencies = [
     "eval_type_backport>=0.2.0",
     "Pillow>=10.4.0",
     "numpy==1.26.4",
+    "polars>=1.9.0",
+    "pyarrow>=17.0.0",
 ]
 readme = "README.md"
 requires-python = ">= 3.9"
diff --git a/requirements-dev.lock b/requirements-dev.lock
index c41c61f4..422be245 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -79,7 +79,9 @@ pathspec==0.12.1
 pillow==10.4.0
 platformdirs==4.3.6
 pluggy==1.5.0
+polars==1.9.0
 pre-commit==3.8.0
+pyarrow==17.0.0
 pycodestyle==2.11.1
 pydantic==2.9.2
 pydantic-core==2.23.4
diff --git a/requirements.lock b/requirements.lock
index 4002178d..010eabeb 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -30,6 +30,8 @@ openpyxl==3.1.5
 packaging==24.1
 pandas==2.2.0
 pillow==10.4.0
+polars==1.9.0
+pyarrow==17.0.0
 pydantic==2.9.2
 pydantic-core==2.23.4
 pyparsing==3.1.4