diff --git a/src/snap_management.py b/src/snap_management.py
index 589f8ec..40b5d49 100644
--- a/src/snap_management.py
+++ b/src/snap_management.py
@@ -24,8 +24,8 @@
 _grafana_agent_snap_name = "grafana-agent"
 _grafana_agent_snaps = {
     # (confinement, arch): revision
-    ("strict", "amd64"): 16,
-    ("strict", "arm64"): 23,
+    ("strict", "amd64"): 51,  # 0.40.4
+    ("strict", "arm64"): 52,  # 0.40.4
 }
 
 
diff --git a/tox.ini b/tox.ini
index dc56261..c91a376 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,7 +34,7 @@ deps =
     black
     ruff
 commands =
-    ruff --fix {[vars]all_path}
+    ruff check --fix {[vars]all_path}
     black {[vars]all_path}
 
 [testenv:lint]
@@ -45,7 +45,7 @@ deps =
     codespell
 commands =
     codespell . --skip .git --skip .tox --skip build --skip lib --skip venv --skip .mypy_cache --skip *.svg
-    ruff {[vars]all_path}
+    ruff check {[vars]all_path}
     black --check --diff {[vars]all_path}
 
 [testenv:static-{charm,lib}]