diff --git a/pyproject.toml b/pyproject.toml
index 7cad1224..77985149 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,11 +30,11 @@ authors = []
 
 [tool.poetry.dependencies]
 python = "^3.10"
-tenacity = "^8.4.2"
+tenacity = "^8.5.0"
 pure-sasl = "^0.6.2"
-cosl = "^0.0.12"
-pydantic = "^1.10.17"
-pyyaml = "^6.0.1"
+cosl = "^0.0.45"
+pydantic = "^1.10.19"
+pyyaml = "^6.0.2"
 poetry-plugin-export = "^1.8.0"
 
 # TODO: clean any of the notes below and their deps.
@@ -60,7 +60,7 @@ optional = true
 
 
 [tool.poetry.group.fmt.dependencies]
-black = "^24.4.2"
+black = "^24.10.0"
 isort = "^5.13.2"
 
 
@@ -69,37 +69,37 @@ optional = true
 
 
 [tool.poetry.group.lint.dependencies]
-black = "^24.4.2"
+black = "^24.10.0"
 isort = "^5.13.2"
-flake8 = "^7.0.0"
+flake8 = "^7.1.1"
 flake8-docstrings = "^1.7.0"
 flake8-copyright = "^0.2.4"
 flake8-builtins = "^2.5.0"
 pyproject-flake8 = "^7.0.0"
 pep8-naming = "^0.14.1"
-codespell = "^2.2.6"
-pyright = "^1.1.318"
-typing-extensions = "^4.9.0"
+codespell = "^2.3.0"
+pyright = "^1.1.389"
+typing-extensions = "^4.12.2"
 requests = "^2.32.3"
-ops = "^2.13.0"
+ops = "^2.17.0"
 
 [tool.poetry.group.unit]
 optional = true
 
 [tool.poetry.group.unit.dependencies]
-pytest = "^8.2.2"
-coverage = {extras = ["toml"], version = "^7.5.1"}
-pytest-mock = "^3.11.1"
-pyyaml = "^6.0.1"
+pytest = "^8.3.3"
+coverage = {extras = ["toml"], version = "^7.6.7"}
+pytest-mock = "^3.14.0"
+pyyaml = "^6.0.2"
 responses = "^0.25.3"
 
 [tool.poetry.group.integration.dependencies]
-pytest = "^8.2.2"
+pytest = "^8.3.3"
 # should not be updated unless https://github.com/juju/python-libjuju/issues/1093 is fixed
 juju = "~3.5.0"
-tenacity = "^8.4.2"
+tenacity = "^8.5.0"
 coverage = {extras = ["toml"], version = ">7.0"}
-pytest-asyncio = "^0.21.2"
+pytest-asyncio = "^0.24.0"
 pytest-operator = ">0.20"
 pytest-operator-cache = {git = "https://github.com/canonical/data-platform-workflows", tag = "v16.7.0", subdirectory = "python/pytest_plugins/pytest_operator_cache"}
 pytest-operator-groups = {git = "https://github.com/canonical/data-platform-workflows", tag = "v16.7.0", subdirectory = "python/pytest_plugins/pytest_operator_groups"}