diff --git a/amber/LICENSE-binary-python b/amber/LICENSE-binary-python
index 5f226e4fd53..71c6ea2e6f7 100644
--- a/amber/LICENSE-binary-python
+++ b/amber/LICENSE-binary-python
@@ -231,7 +231,7 @@ Python packages:
   - requests==2.34.2
   - s3transfer==0.16.1
   - safetensors==0.8.0
-  - tenacity==8.5.0
+  - tenacity==9.1.4
   - tokenizers==0.22.2
   - transformers==5.3.0
   - tzdata==2026.3
diff --git a/amber/requirements.txt b/amber/requirements.txt
index 512ef93f690..b1861ed4535 100644
--- a/amber/requirements.txt
+++ b/amber/requirements.txt
@@ -39,7 +39,7 @@ aiobotocore==3.7.0
 botocore==1.42.90
 pyiceberg==0.11.1
 readerwriterlock==1.0.9
-tenacity==8.5.0
+tenacity==9.1.4
 # Not imported directly: pyiceberg's SqlCatalog needs SQLAlchemy with the
 # pg8000 driver (postgresql+pg8000:// connection string in iceberg_utils.py).
 SQLAlchemy==2.0.51