diff --git a/runner/package.json b/runner/package.json
index cc1aafd..b263237 100644
--- a/runner/package.json
+++ b/runner/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "description": "Internal Playwright + axe-core runner for the action-a11y-check GitHub Action",
   "devDependencies": {
-    "@types/node": "^25.8.0"
+    "@types/node": "^26.0.0"
   },
   "dependencies": {
     "@actions/artifact": "^6.2.0",
diff --git a/runner/pnpm-lock.yaml b/runner/pnpm-lock.yaml
index 84c6b41..89f9051 100644
--- a/runner/pnpm-lock.yaml
+++ b/runner/pnpm-lock.yaml
@@ -28,8 +28,8 @@ importers:
         version: 2.2.11(axe-core@4.11.4)
     devDependencies:
       '@types/node':
-        specifier: ^25.8.0
-        version: 25.8.0
+        specifier: ^26.0.0
+        version: 26.0.0
 
 packages:
 
@@ -220,8 +220,8 @@ packages:
   '@protobuf-ts/runtime@2.11.1':
     resolution: {integrity: sha512-KuDaT1IfHkugM2pyz+FwiY80ejWrkH1pAtOBOZFuR6SXEFTsnb/jiQWQ1rCIrcKx2BtyxnxW6BWwsVSA/Ie+WQ==}
 
-  '@types/node@25.8.0':
-    resolution: {integrity: sha512-TCFSk8IZh+iLX1xtksoBVtdmgL+1IX0fC9BeU4QqFSuNdN/K+HUlhqOzEmSYYpZUVsLYcPqc9KX+60iDuninSQ==}
+  '@types/node@26.0.0':
+    resolution: {integrity: sha512-vf2YFi1iY9lHGwNJMs01biZFbKJkrZR1T6/MlzjhJLPdntOHLhTrDSnSVcdtvjihi4VQNlrFRIxLsDBlQpAipA==}
 
   '@typescript/vfs@1.6.4':
     resolution: {integrity: sha512-PJFXFS4ZJKiJ9Qiuix6Dz/OwEIqHD7Dme1UwZhTK11vR+5dqW2ACbdndWQexBzCx+CPuMe5WBYQWCsFyGlQLlQ==}
@@ -643,8 +643,8 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
-  undici-types@7.24.6:
-    resolution: {integrity: sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==}
+  undici-types@8.3.0:
+    resolution: {integrity: sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==}
 
   undici@5.29.0:
     resolution: {integrity: sha512-raqeBD6NQK4SkWhQzeYKd1KmIG6dllBOTt55Rmkt4HtI9mwdWtJljnrXjAFUBLTSN67HWrOIZ3EPF4kjUw80Bg==}
@@ -986,9 +986,9 @@ snapshots:
 
   '@protobuf-ts/runtime@2.11.1': {}
 
-  '@types/node@25.8.0':
+  '@types/node@26.0.0':
     dependencies:
-      undici-types: 7.24.6
+      undici-types: 8.3.0
 
   '@typescript/vfs@1.6.4(typescript@5.4.5)':
     dependencies:
@@ -1401,7 +1401,7 @@ snapshots:
 
   typescript@5.4.5: {}
 
-  undici-types@7.24.6: {}
+  undici-types@8.3.0: {}
 
   undici@5.29.0:
     dependencies: