diff --git a/multi-vec_retriever_requirements.txt b/multi-vec_retriever_requirements.txt
index 2ee9c92..a8fbcc0 100644
--- a/multi-vec_retriever_requirements.txt
+++ b/multi-vec_retriever_requirements.txt
@@ -217,7 +217,7 @@ tomli==2.3.0
 torch==2.8.0+cu126
 torchaudio==2.8.0+cu126
 torchvision==0.23.0+cu126
-tornado==6.5.4
+tornado==6.5.5
 tqdm==4.67.1
 transformers==4.56.2
 triton==3.4.0
diff --git a/single-vec_retriever_requirements.txt b/single-vec_retriever_requirements.txt
index 16f52fe..e7844a2 100644
--- a/single-vec_retriever_requirements.txt
+++ b/single-vec_retriever_requirements.txt
@@ -292,7 +292,7 @@ torch==2.6.0+cu124
 torchaudio==2.6.0+cu124
 torchdata==0.11.0
 torchvision==0.21.0+cu124
-tornado==6.4.2
+tornado==6.5.5
 tqdm==4.67.1
 transformers==4.49.0
 triton==3.2.0