diff --git a/poetry.lock b/poetry.lock
index 08a8856ead..2b7215488c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -162,17 +162,17 @@ typecheck = ["mypy"]
 
 [[package]]
 name = "boto3"
-version = "1.34.158"
+version = "1.34.159"
 description = "The AWS SDK for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "boto3-1.34.158-py3-none-any.whl", hash = "sha256:c29e9b7e1034e8734ccaffb9f2b3f3df2268022fd8a93d836604019f8759ce27"},
-    {file = "boto3-1.34.158.tar.gz", hash = "sha256:5b7b2ce0ec1e498933f600d29f3e1c641f8c44dd7e468c26795359d23d81fa39"},
+    {file = "boto3-1.34.159-py3-none-any.whl", hash = "sha256:21120d23cc37c0e80dc4f64434bc5664d2a5645dcd9bf8a8fa97ed5c82164ca0"},
+    {file = "boto3-1.34.159.tar.gz", hash = "sha256:ffe7bbb88ba81b5d54bc8fa0cfb2f3b7fe63a6cffa0f9207df2ef5c22a1c0587"},
 ]
 
 [package.dependencies]
-botocore = ">=1.34.158,<1.35.0"
+botocore = ">=1.34.159,<1.35.0"
 jmespath = ">=0.7.1,<2.0.0"
 s3transfer = ">=0.10.0,<0.11.0"
 
@@ -181,13 +181,13 @@ crt = ["botocore[crt] (>=1.21.0,<2.0a0)"]
 
 [[package]]
 name = "botocore"
-version = "1.34.158"
+version = "1.34.159"
 description = "Low-level, data-driven core of boto 3."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "botocore-1.34.158-py3-none-any.whl", hash = "sha256:0e6fceba1e39bfa8feeba70ba3ac2af958b3387df4bd3b5f2db3f64c1754c756"},
-    {file = "botocore-1.34.158.tar.gz", hash = "sha256:5934082e25ad726673afbf466092fb1223dafa250e6e756c819430ba6b1b3da5"},
+    {file = "botocore-1.34.159-py3-none-any.whl", hash = "sha256:7633062491457419a49f5860c014251ae85689f78266a3ce020c2c8688a76b97"},
+    {file = "botocore-1.34.159.tar.gz", hash = "sha256:dc28806eb21e3c8d690c422530dff8b4b242ac033cbe98f160a9d37796c09cb1"},
 ]
 
 [package.dependencies]
@@ -428,13 +428,13 @@ files = [
 
 [[package]]
 name = "cosl"
-version = "0.0.19"
+version = "0.0.20"
 description = "Utils for COS Lite charms"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "cosl-0.0.19-py3-none-any.whl", hash = "sha256:60e2ddfa732a8e0a5243811e6479957fd1f551ed8eda6d76fea2d8084f72c386"},
-    {file = "cosl-0.0.19.tar.gz", hash = "sha256:686ae4daab0215c2ed81013527a2d4b17b3ea3278f2cf07ca2396145f06aa737"},
+    {file = "cosl-0.0.20-py3-none-any.whl", hash = "sha256:3175d8a03dec7d34d4d40723c6d5499aa74c2da57790d9419cb434930267500a"},
+    {file = "cosl-0.0.20.tar.gz", hash = "sha256:48b1de3476d24ce0eece4fb3f26a296e0c302d3f13aa53c967cdb5f61f75be12"},
 ]
 
 [package.dependencies]
@@ -2463,4 +2463,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "d6ba35d858f4b7e57c9bdf5935ea7b9bf121602a111bdf9eea35597013ba0543"
+content-hash = "11537cd9a30d8f3a2aea7d8286274581fe3e2c8bd9ed3263856f9da0fbb73a41"
diff --git a/pyproject.toml b/pyproject.toml
index 611151d52b..cd3cb16fc2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,11 +8,11 @@ package-mode = false
 python = "^3.10"
 ops = "^2.15.0"
 cryptography = "^43.0.0"
-boto3 = "^1.34.158"
+boto3 = "^1.34.159"
 pgconnstr = "^1.0.1"
 requests = "^2.32.3"
 tenacity = "^9.0.0"
-cosl = "^0.0.19"
+cosl = "^0.0.20"
 pydantic = "^1.10.17"
 poetry-core = "^1.9.0"
 jsonschema = "^4.23.0"
@@ -72,7 +72,7 @@ allure-pytest-collection-report = {git = "https://github.com/canonical/data-plat
 # renovate caret doesn't work: https://github.com/renovatebot/renovate/issues/26940
 juju = "<=3.5.2.0"
 psycopg2-binary = "^2.9.9"
-boto3 = "^1.34.158"
+boto3 = "^1.34.159"
 tenacity = "^9.0.0"
 allure-pytest = "^2.13.5"