diff --git a/package.json b/package.json
index 1bace7ee..499470c3 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "toucan-js": "^4.1.0"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20250124.3",
+    "@cloudflare/workers-types": "^4.20250129.0",
     "@eslint/compat": "^1.2.5",
     "@eslint/eslintrc": "^3.2.0",
     "@eslint/js": "^9.19.0",
diff --git a/yarn.lock b/yarn.lock
index 6722d7c2..7aa84eb4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -497,10 +497,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cloudflare/workers-types@npm:^4.20250124.3":
-  version: 4.20250124.3
-  resolution: "@cloudflare/workers-types@npm:4.20250124.3"
-  checksum: 1bdf1067a170ca4334b8b9121d9de466107083b82a9c0f22b84d230d6788695ed39e4ff9a96bdadabf75127df9c4754ff76c7398887e8134c01b2aa94aaa289c
+"@cloudflare/workers-types@npm:^4.20250129.0":
+  version: 4.20250129.0
+  resolution: "@cloudflare/workers-types@npm:4.20250129.0"
+  checksum: d4be666149fe1b88eff1800f041aa7dd14e5faa6261fdc31832d9dcf3dcf50457178de7324f31ff4201a753dcaafa9a3d60b8cf3de79862044ca23833288e880
   languageName: node
   linkType: hard
 
@@ -1338,7 +1338,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@serlo/serlo.org-cloudflare-worker@workspace:."
   dependencies:
-    "@cloudflare/workers-types": ^4.20250124.3
+    "@cloudflare/workers-types": ^4.20250129.0
     "@eslint/compat": ^1.2.5
     "@eslint/eslintrc": ^3.2.0
     "@eslint/js": ^9.19.0