diff --git a/pyproject.toml b/pyproject.toml
index 8f4f0ac..152a75b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
   "accelerate==1.10.1",
-  "datasets==4.0.0",
+  "datasets==4.1.1",
   "huggingface-hub[cli]==0.34.4",
   "immutabledict>=4.2.1",
   "langdetect>=1.0.9",
diff --git a/uv.lock b/uv.lock
index a36e8bc..1ddfad9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.12"
 resolution-markers = [
     "sys_platform == 'linux' and extra != 'extra-29-tiny-reasoning-language-model-cpu' and extra == 'extra-29-tiny-reasoning-language-model-rocm'",
@@ -370,7 +370,7 @@ wheels = [
 
 [[package]]
 name = "datasets"
-version = "4.0.0"
+version = "4.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "dill" },
@@ -387,9 +387,9 @@ dependencies = [
     { name = "tqdm" },
     { name = "xxhash" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/e3/9d/348ed92110ba5f9b70b51ca1078d4809767a835aa2b7ce7e74ad2b98323d/datasets-4.0.0.tar.gz", hash = "sha256:9657e7140a9050db13443ba21cb5de185af8af944479b00e7ff1e00a61c8dbf1", size = 569566, upload-time = "2025-07-09T14:35:52.431Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/91/a4/73f8e6ef52c535e1d20d5b2ca83bfe6de399d8b8b8a61ccc8d63d60735aa/datasets-4.1.1.tar.gz", hash = "sha256:7d8d5ba8b12861d2c44bfff9c83484ebfafff1ff553371e5901a8d3aab5450e2", size = 579324, upload-time = "2025-09-18T13:14:27.108Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/eb/62/eb8157afb21bd229c864521c1ab4fa8e9b4f1b06bafdd8c4668a7a31b5dd/datasets-4.0.0-py3-none-any.whl", hash = "sha256:7ef95e62025fd122882dbce6cb904c8cd3fbc829de6669a5eb939c77d50e203d", size = 494825, upload-time = "2025-07-09T14:35:50.658Z" },
+    { url = "https://files.pythonhosted.org/packages/f4/c8/09012ac195a0aab58755800d2efdc0e7d5905053509f12cb5d136c911cda/datasets-4.1.1-py3-none-any.whl", hash = "sha256:62e4f6899a36be9ec74a7e759a6951253cc85b3fcfa0a759b0efa8353b149dac", size = 503623, upload-time = "2025-09-18T13:14:25.111Z" },
 ]
 
 [[package]]
@@ -2386,7 +2386,7 @@ dev = [
 [package.metadata]
 requires-dist = [
     { name = "accelerate", specifier = "==1.10.1" },
-    { name = "datasets", specifier = "==4.0.0" },
+    { name = "datasets", specifier = "==4.1.1" },
     { name = "huggingface-hub", extras = ["cli"], specifier = "==0.34.4" },
     { name = "immutabledict", specifier = ">=4.2.1" },
     { name = "langdetect", specifier = ">=1.0.9" },