diff --git a/package-lock.json b/package-lock.json
index bd19b42..d1b5c18 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -151,9 +151,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "5.20260812.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-5.20260812.1.tgz",
-      "integrity": "sha512-eG2aQdUWH8RYEubpBjUE98L2G57JYzGEcI8PgROTjt9YjunbEnPBHP4371Usj8v8pTWcXtbOmI+LRCXF4KhJgQ==",
+      "version": "5.20260819.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-5.20260819.1.tgz",
+      "integrity": "sha512-nUoWrl+16WfocHgXAARAvpQ7dLMF4tSmTvvgLLg5clYhP2j8CYerZ2KC8agnlWHqOAKp45B3F+LcsjNZrZyiRA==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
@@ -4990,7 +4990,7 @@
       "version": "0.0.0",
       "devDependencies": {
         "@cloudflare/vitest-pool-workers": "^0.21.1",
-        "@cloudflare/workers-types": "^5.20260812.1",
+        "@cloudflare/workers-types": "^5.20260819.1",
         "@types/node": "^26.2.0",
         "vitest": "^4.1.10",
         "wrangler": "^4.121.0"
diff --git a/packages/wasmppt-worker/package.json b/packages/wasmppt-worker/package.json
index ddd1023..482fb5b 100644
--- a/packages/wasmppt-worker/package.json
+++ b/packages/wasmppt-worker/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@cloudflare/vitest-pool-workers": "^0.21.1",
-    "@cloudflare/workers-types": "^5.20260812.1",
+    "@cloudflare/workers-types": "^5.20260819.1",
     "@types/node": "^26.2.0",
     "vitest": "^4.1.10",
     "wrangler": "^4.121.0"