diff --git a/pyproject.toml b/pyproject.toml
index 60206e3..4205c56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ email = "floss@frequenz.com"
 
 [project.optional-dependencies]
 cli = [
-  "asyncclick == 8.1.8",
+  "asyncclick == 8.2.2.2",
   "prompt-toolkit == 3.0.52",
   "parsedatetime == 2.6",
   "tzlocal == 5.3.1",
@@ -68,26 +68,26 @@ dev-flake8 = [
   "pydoclint == 0.6.11",
   "pydocstyle == 6.3.0",
 ]
-dev-formatting = ["black == 25.1.0", "isort == 6.0.1"]
+dev-formatting = ["black == 25.9.0", "isort == 6.0.1"]
 dev-mkdocs = [
-  "black == 25.1.0",
-  "Markdown == 3.8.2",
+  "black == 25.9.0",
+  "Markdown == 3.9",
   "mike == 2.1.3",
   "mkdocs-gen-files == 0.5.0",
   "mkdocs-literate-nav == 0.6.2",
   "frequenz-api-dispatch == 1.0.0-rc3",
-  "mkdocs-macros-plugin == 1.3.9",
+  "mkdocs-macros-plugin == 1.4.0",
   "mkdocs-material == 9.6.18",
   "mkdocstrings[python] == 0.30.0",
   "frequenz-repo-config[lib] == 0.13.5",
 ]
 dev-mypy = [
-  "mypy == 1.17.1",
-  "types-Markdown == 3.8.0.20250809",
+  "mypy == 1.18.2",
+  "types-Markdown == 3.9.0.20250906",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-dispatch[cli,dev-mkdocs,dev-noxfile,dev-pytest]",
   "grpc-stubs == 1.53.0.6",
-  "types-protobuf == 6.30.2.20250703",
+  "types-protobuf == 6.32.1.20250918",
   "types-python-dateutil == 2.9.0.20250822",
 ]
 dev-noxfile = ["nox == 2025.5.1", "frequenz-repo-config[lib] == 0.13.5"]
@@ -100,11 +100,11 @@ dev-pylint = [
 dev-pytest = [
   "pytest == 8.4.1",
   "frequenz-repo-config[extra-lint-examples] == 0.13.5",
-  "pytest-mock == 3.14.1",
+  "pytest-mock == 3.15.1",
   "pytest-asyncio == 1.2.0",
   "async-solipsism == 0.8",
-  "time-machine == 2.16.0",
-  "hypothesis == 6.136.8",
+  "time-machine == 2.19.0",
+  "hypothesis == 6.140.2",
   "frequenz-client-dispatch[cli]",
 ]
 dev = [
diff --git a/src/frequenz/client/dispatch/__main__.py b/src/frequenz/client/dispatch/__main__.py
index 1306e32..acfe7e1 100644
--- a/src/frequenz/client/dispatch/__main__.py
+++ b/src/frequenz/client/dispatch/__main__.py
@@ -5,6 +5,7 @@
 
 import asyncio
 import os
+import shlex
 from datetime import datetime, timezone
 from pprint import pformat
 from typing import Any, List
@@ -671,7 +672,7 @@ async def display_help() -> None:
             params = (
                 ["--url", url, "--auth-key", auth_key]
                 + (["--sign-secret", sign_secret] if sign_secret else [])
-                + click.parser.split_arg_string(user_input)
+                + shlex.split(user_input)
             )
 
             try: