diff --git a/sdks/python/container/ml/py311/base_image_requirements.txt b/sdks/python/container/ml/py311/base_image_requirements.txt
index 3f9a18099fa2..dac997ac7dbe 100644
--- a/sdks/python/container/ml/py311/base_image_requirements.txt
+++ b/sdks/python/container/ml/py311/base_image_requirements.txt
@@ -221,7 +221,7 @@ threadpoolctl==3.6.0
 tokenizers==0.21.4
 torch==2.8.0+cpu
 tqdm==4.68.3
-transformers==4.55.4
+transformers==5.5.0
 typing-inspection==0.4.2
 typing_extensions==4.15.0
 tzdata==2026.2
diff --git a/sdks/python/container/ml/py311/gpu_image_requirements.txt b/sdks/python/container/ml/py311/gpu_image_requirements.txt
index 7cb148c46f98..81cb0f103f04 100644
--- a/sdks/python/container/ml/py311/gpu_image_requirements.txt
+++ b/sdks/python/container/ml/py311/gpu_image_requirements.txt
@@ -313,7 +313,7 @@ torch==2.7.1
 torchaudio==2.7.1
 torchvision==0.22.1
 tqdm==4.68.3
-transformers==4.55.4
+transformers==5.5.0
 triton==3.3.1
 typer==0.26.8
 typing-inspection==0.4.2