diff --git a/pyproject.toml b/pyproject.toml
index bc56de21..aa568302 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
     "coolname>=2.2.0,<3.0.0",
     "pandas>=2.2.3,<3.0.0",
     "fsspec[s3]>=2023.1.0,<=2025.12.0",
-    "optuna>=4.5.0,<5.0.0",
+    "optuna>=5.0.0,<5.1.0",
     "numpy<=2.3.5", # 3.10 support was dropped in 2.3.0
     "universal-pathlib>=0.3.3,<0.4.0",
     "loguru>=0.7.3",
diff --git a/uv.lock b/uv.lock
index 685d00b3..a8e7994b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -863,7 +863,7 @@ requires-dist = [
     { name = "moviepy", marker = "extra == 'multimodal'", specifier = ">=2.1.2,<3.0.0" },
     { name = "nltk", marker = "extra == 'scoring'", specifier = ">=3.9.1,<4.0.0" },
     { name = "numpy", specifier = "<=2.3.5" },
-    { name = "optuna", specifier = ">=4.5.0,<5.0.0" },
+    { name = "optuna", specifier = ">=5.0.0,<5.1.0" },
     { name = "pandas", specifier = ">=2.2.3,<3.0.0" },
     { name = "pillow", marker = "extra == 'multimodal'", specifier = ">=11.2.1,<12.0.0" },
     { name = "presidio-analyzer", marker = "extra == 'scoring'", specifier = ">=2.2.359,<3.0.0" },
@@ -2478,7 +2478,7 @@ wheels = [
 
 [[package]]
 name = "optuna"
-version = "4.6.0"
+version = "5.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "alembic" },
@@ -2490,9 +2490,9 @@ dependencies = [
     { name = "sqlalchemy" },
     { name = "tqdm" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/6b/81/08f90f194eed78178064a9383432eca95611e2c5331e7b01e2418ce4b15a/optuna-4.6.0.tar.gz", hash = "sha256:89e38c2447c7f793a726617b8043f01e31f0bad54855040db17eb3b49404a369", size = 477444, upload-time = "2025-11-10T05:14:30.151Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/27/6d/7bd33b5ed3a83f1c1517fb20c54c7dbf59e6c76430d9b26d3205074ff6b0/optuna-5.0.0.tar.gz", hash = "sha256:358bb878b7b1e20e90dc944ac4261796dd3d5c2b7860aa960a08fc10e0b5beff", size = 508726, upload-time = "2026-09-07T05:16:21.136Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/58/de/3d8455b08cb6312f8cc46aacdf16c71d4d881a1db4a4140fc5ef31108422/optuna-4.6.0-py3-none-any.whl", hash = "sha256:4c3a9facdef2b2dd7e3e2a8ae3697effa70fae4056fcf3425cfc6f5a40feb069", size = 404708, upload-time = "2025-11-10T05:14:28.6Z" },
+    { url = "https://files.pythonhosted.org/packages/90/e5/7c5e8cdda8c9f0cd8aca0a376dee9cff6b8c30692cf614960d9e80f59689/optuna-5.0.0-py3-none-any.whl", hash = "sha256:5fff892ae6baf4948c810c5b8635ec67e08efb0709b41cb73b14e30391d44720", size = 442352, upload-time = "2026-09-07T05:16:19.943Z" },
 ]
 
 [[package]]