diff --git a/api/pyproject.toml b/api/pyproject.toml
index 9c94474cdf8..0c424da4a00 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -8,7 +8,7 @@ dependencies = [
     "arize-phoenix-otel~=0.15.0",
     "azure-identity==1.25.3",
     "beautifulsoup4==4.14.3",
-    "boto3==1.42.73",
+    "boto3==1.42.78",
     "bs4~=0.0.1",
     "cachetools~=5.3.0",
     "celery~=5.6.2",
diff --git a/api/uv.lock b/api/uv.lock
index 747f18e791a..9d48ddf5377 100644
--- a/api/uv.lock
+++ b/api/uv.lock
@@ -630,16 +630,16 @@ wheels = [
 
 [[package]]
 name = "boto3"
-version = "1.42.73"
+version = "1.42.78"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "botocore" },
     { name = "jmespath" },
     { name = "s3transfer" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/e4/8b/d00575be514744ca4839e7d85bf4a8a3c7b6b4574433291e58d14c68ae09/boto3-1.42.73.tar.gz", hash = "sha256:d37b58d6cd452ca808dd6823ae19ca65b6244096c5125ef9052988b337298bae", size = 112775, upload-time = "2026-03-20T19:39:52.814Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/a8/2b/ebdad075934cf6bb78bf81fe31d83339bcd804ad6c856f7341376cbc88b6/boto3-1.42.78.tar.gz", hash = "sha256:cef2ebdb9be5c0e96822f8d3941ac4b816c90a5737a7ffb901d664c808964b63", size = 112789, upload-time = "2026-03-27T19:28:07.58Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/aa/05/1fcf03d90abaa3d0b42a6bfd10231dd709493ecbacf794aa2eea5eae6841/boto3-1.42.73-py3-none-any.whl", hash = "sha256:1f81b79b873f130eeab14bb556417a7c66d38f3396b7f2fe3b958b3f9094f455", size = 140556, upload-time = "2026-03-20T19:39:50.298Z" },
+    { url = "https://files.pythonhosted.org/packages/57/bb/1f6dade1f1e86858bef7bd332bc8106c445f2dbabec7b32ab5d7d118c9b6/boto3-1.42.78-py3-none-any.whl", hash = "sha256:480a34a077484a5ca60124dfd150ba3ea6517fc89963a679e45b30c6db614d26", size = 140556, upload-time = "2026-03-27T19:28:06.125Z" },
 ]
 
 [[package]]
@@ -663,16 +663,16 @@ bedrock-runtime = [
 
 [[package]]
 name = "botocore"
-version = "1.42.73"
+version = "1.42.78"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jmespath" },
     { name = "python-dateutil" },
     { name = "urllib3" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/28/23/0c88ca116ef63b1ae77c901cd5d2095d22a8dbde9e80df74545db4a061b4/botocore-1.42.73.tar.gz", hash = "sha256:575858641e4949aaf2af1ced145b8524529edf006d075877af6b82ff96ad854c", size = 15008008, upload-time = "2026-03-20T19:39:40.082Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/67/8e/cdb34c8ca71216d214e049ada2148ee08bcda12b1ac72af3a720dea300ff/botocore-1.42.78.tar.gz", hash = "sha256:61cbd49728e23f68cfd945406ab40044d49abed143362f7ffa4a4f4bd4311791", size = 15023592, upload-time = "2026-03-27T19:27:57.122Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/8e/65/971f3d55015f4d133a6ff3ad74cd39f4b8dd8f53f7775a3c2ad378ea5145/botocore-1.42.73-py3-none-any.whl", hash = "sha256:7b62e2a12f7a1b08eb7360eecd23bb16fe3b7ab7f5617cf91b25476c6f86a0fe", size = 14681861, upload-time = "2026-03-20T19:39:35.341Z" },
+    { url = "https://files.pythonhosted.org/packages/54/72/94bba1a375d45c685b00e051b56142359547837086a83861d76f6aec26f4/botocore-1.42.78-py3-none-any.whl", hash = "sha256:038ab63c7f898e8b5db58cb6a45e4da56c31dd984e7e995839a3540c735564ea", size = 14701729, upload-time = "2026-03-27T19:27:54.05Z" },
 ]
 
 [[package]]
@@ -1670,7 +1670,7 @@ requires-dist = [
     { name = "azure-identity", specifier = "==1.25.3" },
     { name = "beautifulsoup4", specifier = "==4.14.3" },
     { name = "bleach", specifier = "~=6.3.0" },
-    { name = "boto3", specifier = "==1.42.73" },
+    { name = "boto3", specifier = "==1.42.78" },
     { name = "bs4", specifier = "~=0.0.1" },
     { name = "cachetools", specifier = "~=5.3.0" },
     { name = "celery", specifier = "~=5.6.2" },