diff --git a/tox.ini b/tox.ini
index 3fbcf62..ec596de 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,7 @@ passenv =
 description = Apply coding style standards to code
 deps =
     # renovate: datasource=pypi
-    ruff==0.6.4
+    ruff==0.6.5
 commands =
     ruff check --fix {[vars]all_path}
     ruff format {[vars]all_path}
@@ -34,7 +34,7 @@ commands =
 description = Check code against coding style standards
 deps =
     # renovate: datasource=pypi
-    ruff==0.6.4
+    ruff==0.6.5
 commands =
     ruff check {[vars]all_path}
     ruff format --check --diff {[vars]all_path}
@@ -44,9 +44,9 @@ description = Run unit tests
 deps =
     -r{toxinidir}/requirements.txt
     # renovate: datasource=pypi
-    cosl==0.0.31
+    cosl==0.0.33
     # renovate: datasource=pypi
-    pytest==8.3.2
+    pytest==8.3.3
     # renovate: datasource=pypi
     coverage[toml]==6.5.0
 commands =
@@ -87,7 +87,7 @@ deps =
     # renovate: datasource=pypi
     ops==2.16.1
     # renovate: datasource=pypi
-    pytest==8.3.2
+    pytest==8.3.3
 commands =
     pytest -v \
            -s \
@@ -106,7 +106,7 @@ deps =
     # Pin macaroonbakery due to an issue in 1.3.3 (libjuju depends on this)
     macaroonbakery==1.3.2
     # renovate: datasource=pypi
-    pytest==8.3.2
+    pytest==8.3.3
     # Renovate disabled due to issue where later versions drop
     # asyncio_event_loop
     pytest-asyncio==0.21.2