diff --git a/lambda/pyproject.toml b/lambda/pyproject.toml
index 02607816..515143a0 100644
--- a/lambda/pyproject.toml
+++ b/lambda/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 requires-python = ">=3.14"
 dependencies = [
     "aws-lambda-powertools==3.28.0",
-    "boto3==1.43.2",
+    "boto3==1.43.5",
     "cryptography==47.0.0",
     "dataclasses-json==0.6.7",
     "mohawk==1.1.0",
@@ -23,7 +23,7 @@ dev = [
     "flake8==7.3.0",
     "Flake8-pyproject==1.2.4",
     "mypy==1.20.2",
-    "types-boto3==1.42.89",
+    "types-boto3==1.43.5",
     "hypothesis>=6.0.0",
     "types-requests==2.33.0.20260408"
 ]
diff --git a/lambda/uv.lock b/lambda/uv.lock
index 88d6de90..071bdbb2 100644
--- a/lambda/uv.lock
+++ b/lambda/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.14"
 resolution-markers = [
     "python_full_version >= '3.15'",
@@ -43,30 +43,30 @@ wheels = [
 
 [[package]]
 name = "boto3"
-version = "1.43.2"
+version = "1.43.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "botocore" },
     { name = "jmespath" },
     { name = "s3transfer" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/95/cd/bba36079f5d4bd63db7385e6b9dc1845db32407c3f18f56aaddafb75097f/boto3-1.43.2.tar.gz", hash = "sha256:be951cc22769fbcda73fac523b031ee38db45c3ae2b0d828c76b8f6e8e683073", size = 113108, upload-time = "2026-05-01T19:43:13.632Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/71/b0/90ba01763dd483bb040d0815dc0ba893421e3f5926672ceab9acbb73b23f/boto3-1.43.5.tar.gz", hash = "sha256:414be7868f25c3b6a0232301c8ab40347911b6b191926b61f00a63f89b97b2bc", size = 113150, upload-time = "2026-05-06T19:56:49.629Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/10/bb/347307758c2003783df1d9a9b07596928d05a6ca0e17790cea3b18105244/boto3-1.43.5-py3-none-any.whl", hash = "sha256:aa8a296c8db55d812767b282cfe4c7977f0b0eeaa709abdaeb368b9c738e901f", size = 140502, upload-time = "2026-05-06T19:56:46.626Z" },
 ]
 
 [[package]]
 name = "botocore"
-version = "1.43.2"
+version = "1.43.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jmespath" },
     { name = "python-dateutil" },
     { name = "urllib3" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/2c/b0/65d4c85f16367fb6147d391652d0c386f24b029536f7026e7b98740166cd/botocore-1.43.2.tar.gz", hash = "sha256:7b2ec87b6d0720bff920451ce930e71c2a99cdea48d0eaa66ccf0b21ea747e03", size = 15301186, upload-time = "2026-05-01T19:42:59.748Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/6d/a2/1285a22bf157f9e97a8fd236daea95d9b14cc8425ae5f8a616badf948408/botocore-1.43.5.tar.gz", hash = "sha256:5c7207816ab5e48382adcb2a64db388fa4abe9ee1d23f72c82ae62c51a0bc84e", size = 15321290, upload-time = "2026-05-06T19:56:35.658Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/bb/52/f57ded73f1527a18e0712281eb49c4ae240038bb4dc7083fd288b4adc811/botocore-1.43.2-py3-none-any.whl", hash = "sha256:b823454d751a1c24bb403b5b07ab65007689654abb21787df923684e0743976c", size = 14982693, upload-time = "2026-05-01T19:42:54.602Z" },
+    { url = "https://files.pythonhosted.org/packages/82/d2/99f1741b12e3cdba2e5370f6dafaab743a373c6f83592601ec75ff2cc47f/botocore-1.43.5-py3-none-any.whl", hash = "sha256:a1df6e0c6346735936f42e6b99f3b28f1e9397731c0bc2563c617df7965a0dc0", size = 15002116, upload-time = "2026-05-06T19:56:29.993Z" },
 ]
 
 [[package]]
@@ -315,7 +315,7 @@ dev = [
 [package.metadata]
 requires-dist = [
     { name = "aws-lambda-powertools", specifier = "==3.28.0" },
-    { name = "boto3", specifier = "==1.43.2" },
+    { name = "boto3", specifier = "==1.43.5" },
     { name = "cryptography", specifier = "==47.0.0" },
     { name = "dataclasses-json", specifier = "==0.6.7" },
     { name = "mohawk", specifier = "==1.1.0" },
@@ -334,7 +334,7 @@ dev = [
     { name = "pytest", specifier = "==9.0.3" },
     { name = "pytest-cov", specifier = "==7.1.0" },
     { name = "pytest-xdist", specifier = "==3.8.0" },
-    { name = "types-boto3", specifier = "==1.42.89" },
+    { name = "types-boto3", specifier = "==1.43.5" },
     { name = "types-requests", specifier = "==2.33.0.20260408" },
 ]
 
@@ -727,15 +727,15 @@ wheels = [
 
 [[package]]
 name = "types-boto3"
-version = "1.42.89"
+version = "1.43.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "botocore-stubs" },
     { name = "types-s3transfer" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/2b/08/d011182f35396d1c3eb0a3e4e4d7f281c691b7b586ba54e93b66f81131d3/types_boto3-1.43.5.tar.gz", hash = "sha256:f0622cb722c43c0a4c60a2ceeb1f3b0325ec55c98fe914c91176a6941794e30c", size = 102961, upload-time = "2026-05-06T20:48:11.836Z" }
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+    { url = "https://files.pythonhosted.org/packages/3c/bd/849a469152f1ebc1d02460665951ab5a4da295e6f1ab9b23168d10e45c5d/types_boto3-1.43.5-py3-none-any.whl", hash = "sha256:2053f11acd55e5d5831c6545e48741331514fd21e7584cccb6c0a6edb961bb68", size = 70549, upload-time = "2026-05-06T20:48:08.281Z" },
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 [[package]]