diff --git a/pyproject.toml b/pyproject.toml
index 73491f4..b7a0dfd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
     "click (>=8.1.3,<9.0.0)",
     "tqdm (>=4.44.2,<5.0.0)",
     "transformers (>=4.44.2,<5.0.0)",
-    "opencv-python (>=4.7.0.72,<5.0.0.0)",
+    "opencv-python (>=4.7.0.72,<4.10.0)",
     "attributes-to-language @ git+https://github.com/ruflab/attributes-to-language.git@v0.4.0",
     "auto-sbatch @ git+https://github.com/ruflab/auto-sbatch.git@main",
     "migrate-ckpt @ git+https://github.com/ruflab/migrate-ckpt.git@v0.2.0",