diff --git a/poetry.lock b/poetry.lock
index 470cc56e..0e98e8b0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -283,18 +283,18 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "boto3"
-version = "1.42.16"
+version = "1.42.19"
 description = "The AWS SDK for Python"
 optional = false
 python-versions = ">=3.9"
 groups = ["dev", "slackbotfunction", "syncknowledgebasefunction"]
 files = [
-    {file = "boto3-1.42.16-py3-none-any.whl", hash = "sha256:37a43d42aebd06a8f93ee801ea1b7b5181ac42a30869ef403c9dadc160a748e5"},
-    {file = "boto3-1.42.16.tar.gz", hash = "sha256:811391611db88c8a061f6e6fabbd7ca784ad9de04490a879f091cbaa9de7de74"},
+    {file = "boto3-1.42.19-py3-none-any.whl", hash = "sha256:c55b8b303c64931272536813a476f130b90ea7041d7b79c154d89cf1c18256b4"},
+    {file = "boto3-1.42.19.tar.gz", hash = "sha256:5933696a28bf8eb62fc54e4de5583f78a0efef59c8164ee1850436aa22f53aa7"},
 ]
 
 [package.dependencies]
-botocore = ">=1.42.16,<1.43.0"
+botocore = ">=1.42.19,<1.43.0"
 jmespath = ">=0.7.1,<2.0.0"
 s3transfer = ">=0.16.0,<0.17.0"
 
@@ -745,14 +745,14 @@ xray = ["mypy-boto3-xray (>=1.42.0,<1.43.0)"]
 
 [[package]]
 name = "botocore"
-version = "1.42.16"
+version = "1.42.19"
 description = "Low-level, data-driven core of boto 3."
 optional = false
 python-versions = ">=3.9"
 groups = ["dev", "slackbotfunction", "syncknowledgebasefunction"]
 files = [
-    {file = "botocore-1.42.16-py3-none-any.whl", hash = "sha256:b1f584a0f8645c12e07bf6ec9c18e05221a789f2a9b2d3c6291deb42f8c1c542"},
-    {file = "botocore-1.42.16.tar.gz", hash = "sha256:29ee8555cd5d5023350405387cedcf3fe1c7f02fcb8060bf9e01602487482c25"},
+    {file = "botocore-1.42.19-py3-none-any.whl", hash = "sha256:30c276e0a96d822826d74e961089b9af16b274ac7ddcf7dcf6440bc90d856d88"},
+    {file = "botocore-1.42.19.tar.gz", hash = "sha256:8d38f30de983720303e95951380a2c9ac515159636ee6b5ba4227d65f14551a4"},
 ]
 
 [package.dependencies]
@@ -4051,4 +4051,4 @@ requests = "*"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.14"
-content-hash = "f28a7e5010f1178d5522e7f128ab0489806219818882f97564be8dec51e0e711"
+content-hash = "c8475909a9031714bc80beb6c5b81191a01f981aef61c90a7c94d3072eb3f822"
diff --git a/pyproject.toml b/pyproject.toml
index 8568c1ff..83695afc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ markitdown = {extras = ["pdf", "docx", "pptx", "xlsx"], version = "^0.0.2"}
 [tool.poetry.group.slackBotFunction.dependencies]
 slack-bolt = "^1.25.0"
 slack-sdk = "^3.39.0"
-boto3 = "^1.42.16"
+boto3 = "^1.42.19"
 requests = "^2.32.5"
 opensearch-py = "^3.1.0"
 urllib3 = "^2.6.2"
@@ -42,7 +42,7 @@ boto3-stubs = {extras = ["bedrock-agent", "bedrock-agent-runtime", "bedrock-runt
 
 
 [tool.poetry.group.syncKnowledgeBaseFunction.dependencies]
-boto3 = "^1.42.16"
+boto3 = "^1.42.19"
 aws-lambda-powertools = "^3.23.0"
 
 [tool.black]