diff --git a/pyproject.toml b/pyproject.toml
index 0371df681..02c8488f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -134,49 +134,49 @@ test = [
 
 dev = [
   "capellambse-context-diagrams>=0.7.12",
-  "docformatter[tomli]==1.7.7",
-  "jupyterlab==4.5.2",
+  "docformatter[tomli]==1.7.8",
+  "jupyterlab==4.6.0",
   "mypy==1.19.1",
   "pandas>=2.3.0",
-  "pre-commit==4.5.1",
-  "pylsp-mypy==0.7.0",
+  "pre-commit==4.6.0",
+  "pylsp-mypy==0.7.3",
   "pytest-cov>=7.0.0",
   "python-lsp-server[rope]==1.14.0",
   "reuse==6.2.0",
-  "ruff==0.14.11",
+  "ruff==0.15.19",
   "xlsxwriter>=3.2.5",
 ]
 
 typecheck = [
   "awesomeversion==25.8.0",
-  "cairosvg==2.8.2",
-  "click==8.3.1",
+  "cairosvg==2.9.0",
+  "click==8.4.1",
   "diskcache==5.6.3",
   "jinja2==3.1.6",
   "markupsafe==3.0.3",
   "mypypp==0.1.1",
-  "pillow==12.1.0",
-  "platformdirs==4.5.1",
+  "pillow==12.2.0",
+  "platformdirs==4.10.0",
   "requests-mock==1.12.1",
-  "sphinx==8.1.3",
-  "types-colorama==0.4.15.20250801",
-  "types-docutils==0.22.3.20251115",
-  "types-lxml==2026.1.1",
-  "types-pygments==2.19.0.20251121",
-  "types-pytz==2025.2.0.20251108",
-  "types-pyyaml==6.0.12.20250915",
-  "types-requests==2.32.4.20260107",
-  "types-setuptools==80.9.0.20251223",
-  "types-six==1.17.0.20251009",
+  "sphinx==9.0.4",
+  "types-colorama==0.4.15.20260508",
+  "types-docutils==0.22.3.20260518",
+  "types-lxml==2026.2.16",
+  "types-pygments==2.20.0.20260518",
+  "types-pytz==2026.2.0.20260518",
+  "types-pyyaml==6.0.12.20260518",
+  "types-requests==2.33.0.20260518",
+  "types-setuptools==82.0.0.20260518",
+  "types-six==1.17.0.20260518",
 ]
 
 docs = [
   "furo==2025.12.19",
-  "ipython==8.38.0",
+  "ipython==9.14.1",
   "jinja2==3.1.6",
   "nbsphinx==0.9.8",
-  "sphinx==8.1.3",
-  "sphinx-autodoc-typehints==3.0.1",
+  "sphinx==9.0.4",
+  "sphinx-autodoc-typehints==3.6.1",
   "sphinx-click==6.2.0",
 ]