diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a95da729..8f3ef488 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -20,7 +20,7 @@ repos:
   - id: trailing-whitespace
 
 - repo: https://github.com/psf/black
-  rev: "22.1.0"
+  rev: "22.3.0"
   hooks:
   - id: black
 
@@ -30,7 +30,7 @@ repos:
   - id: isort
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: "v2.31.0"
+  rev: "v2.31.1"
   hooks:
   - id: pyupgrade
     args: ["--py36-plus"]
@@ -41,7 +41,7 @@ repos:
   - id: setup-cfg-fmt
 
 - repo: https://github.com/hadialqattan/pycln
-  rev: v1.1.0
+  rev: v1.2.5
   hooks:
   - id: pycln
     args: [--config=pyproject.toml]
@@ -55,7 +55,7 @@ repos:
     additional_dependencies: [flake8-bugbear, flake8-print, flake8-2020]
 
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: "v0.931"
+  rev: "v0.942"
   hooks:
   - id: mypy
     files: plumbum
@@ -64,7 +64,7 @@ repos:
 
 # This wants the .mo files removed
 - repo: https://github.com/mgedmin/check-manifest
-  rev: "0.47"
+  rev: "0.48"
   hooks:
   - id: check-manifest
     stages: [manual]
diff --git a/plumbum/cli/application.py b/plumbum/cli/application.py
index f5e98393..fa523031 100644
--- a/plumbum/cli/application.py
+++ b/plumbum/cli/application.py
@@ -889,7 +889,7 @@ def switchs(by_groups, show_groups):
                     lgrp = T_(grp) if grp in _switch_groups else grp
                     print(self.COLOR_GROUP_TITLES[grp] | lgrp + ":")
 
-                for si in sorted(swinfos, key=lambda si: si.names):
+                for si in sorted(swinfos, key=lambda x: x.names):
                     swnames = ", ".join(
                         ("-" if len(n) == 1 else "--") + n
                         for n in si.names