diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 4b8d752b..41c353fa 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -35,7 +35,7 @@ jobs:
       contents: read
       id-token: write # Needed to attest and to publish to PyPI
     steps:
-      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           pattern: cibw-*
           path: dist
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bff53829..572aaf7f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -54,7 +54,7 @@ repos:
 
   ## Check pyproject.toml file
   - repo: https://github.com/henryiii/validate-pyproject-schema-store
-    rev: 2026.10.02
+    rev: 2026.10.10
     hooks:
       - id: validate-pyproject
         priority: 0
@@ -112,7 +112,7 @@ repos:
 
   ## Format configuration files with prettier
   - repo: https://github.com/rbubley/mirrors-prettier
-    rev: v3.9.9
+    rev: v3.9.10
     hooks:
       - id: prettier
         types_or: [yaml, html, css, scss, javascript, json, json5]
@@ -120,7 +120,7 @@ repos:
 
   ## Format Markdown files with rumdl
   - repo: https://github.com/rvben/rumdl-pre-commit
-    rev: v0.2.78
+    rev: v0.2.79
     hooks:
       - id: rumdl
         args: [--fix]
@@ -130,7 +130,7 @@ repos:
 
   ## Format pyproject.toml with pyproject-fmt
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.30.0
+    rev: v2.30.3
     hooks:
       - id: pyproject-fmt
         priority: 5
@@ -160,7 +160,7 @@ repos:
 
   ## Check Python types with ty
   - repo: https://github.com/astral-sh/ty-pre-commit
-    rev: v0.0.84
+    rev: v0.0.86
     hooks:
       - id: ty
         args: [--isolated]
diff --git a/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py b/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py
index cd6916f8..358c80da 100644
--- a/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py
+++ b/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py
@@ -113,13 +113,10 @@ def doit(self, **_hints: Any) -> sp.Expr:
 class ExpandingSum(sp.Sum):
     """Represents a sum that is always expanded into a sum of its elements when calling `doit()`."""
 
-    args: tuple[sp.Expr, tuple[sp.Symbol, sp.Expr, sp.Expr]]
-
     @override
     def doit(self, **_hints: Any) -> sp.Expr:
-        expr, *limits = self.args
-        limits = list(reversed(limits))
-        return self.__do_expansion(expr, limits[1:], limits[0])
+        limits = list(reversed(self.limits))
+        return self.__do_expansion(self.function, limits[1:], limits[0])
 
     def __do_expansion(
         self,
diff --git a/webpage/package-lock.json b/webpage/package-lock.json
index 78937b14..7870726b 100644
--- a/webpage/package-lock.json
+++ b/webpage/package-lock.json
@@ -16,7 +16,7 @@
       },
       "devDependencies": {
         "@tailwindcss/postcss": "^4.1.17",
-        "@types/node": "24.19.1",
+        "@types/node": "24.19.2",
         "@types/react": "19.3.0",
         "@types/react-dom": "^19.0.0",
         "eslint": "^10.0.0",
@@ -1816,9 +1816,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.19.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.1.tgz",
-      "integrity": "sha512-aS3/DG0oM05K0RIXXP+hKjinGG5IgSSVGzswZxW3O0sS3pH4/fycXundUC9XsszgKCk4gHXylTEK6hyFxVxnoQ==",
+      "version": "24.19.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.2.tgz",
+      "integrity": "sha512-93d49wCWJkCyN87MxLpNN6KXPCwFw7bVUg79mGUV1OS40JGWwVCr8n61DXCSqz7CV6/VfPkb7xec7uP2M+QHWQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -5634,9 +5634,9 @@
       "license": "MIT"
     },
     "node_modules/nanoid": {
-      "version": "3.3.18",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.18.tgz",
-      "integrity": "sha512-DTg4MJbGMWkfi6VZFdNt2/caMbQy4Ou+Op/hJQvGEWcnVfoA1QA+xzRKAzw9jD6+GVOOeYr/mIcuDSdug6F6+w==",
+      "version": "3.3.20",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.20.tgz",
+      "integrity": "sha512-uKdg2G3GNCKQn9byYOpxbGqrT2fGO5KRt5J/8b3pok8rT6qxGWF6hxMyJiEYtAf+FVyYuD9hRaDqX5uPFYJ4ZQ==",
       "funding": [
         {
           "type": "github",
@@ -6032,9 +6032,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.28",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.28.tgz",
-      "integrity": "sha512-RRuzqDtt5Y9h3quz5hWhK+TPnsmVs6WwSU6LkJMeY4HstUEDuYTG8UJSdawMRzmzAtV+KEoG8N3Qg2qLy5vM/A==",
+      "version": "8.5.29",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.29.tgz",
+      "integrity": "sha512-49cGhUbXj8Qenv0iTMxA1cFBzxXoctpC9Ujd77t1WcbJIr6nF/eI7g/8MgxrYldFRuAXvja7xQRwavoW7kgrxQ==",
       "dev": true,
       "funding": [
         {
@@ -6052,9 +6052,9 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.18",
+        "nanoid": "^3.3.19",
         "picocolors": "^1.1.1",
-        "source-map-js": "^1.2.1"
+        "source-map-js": "^1.2.2"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
diff --git a/webpage/package.json b/webpage/package.json
index 6d684487..f29d04db 100644
--- a/webpage/package.json
+++ b/webpage/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4.1.17",
-    "@types/node": "24.19.1",
+    "@types/node": "24.19.2",
     "@types/react": "19.3.0",
     "@types/react-dom": "^19.0.0",
     "eslint": "^10.0.0",