diff --git a/package-lock.json b/package-lock.json
index b987cf324b287e1..411c11848c8878e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
 				"@astrojs/starlight-docsearch": "0.6.0",
 				"@astrojs/starlight-tailwind": "4.0.1",
 				"@cloudflare/vitest-pool-workers": "0.8.71",
-				"@cloudflare/workers-types": "4.20250910.0",
+				"@cloudflare/workers-types": "4.20250919.0",
 				"@codingheads/sticky-header": "1.0.2",
 				"@expressive-code/plugin-collapsible-sections": "0.41.3",
 				"@expressive-code/plugin-line-numbers": "0.41.3",
@@ -1462,9 +1462,9 @@
 			}
 		},
 		"node_modules/@cloudflare/workers-types": {
-			"version": "4.20250910.0",
-			"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20250910.0.tgz",
-			"integrity": "sha512-sxkeMWt8IA7OLSAAI0q4nyPdPIKkwheldnutNLESx35MSumXOvYE5HrwJgLRWtjV12k4UzaBy/zvPZ85fiAyAQ==",
+			"version": "4.20250919.0",
+			"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20250919.0.tgz",
+			"integrity": "sha512-2tj/zGfDWGK/5LFShSPJWZlONnVonp7tFPJ2x1Po/Jflec/mm/CBMUsqsJuk5+PUrYUtmcthgNyZN/tuzcODUQ==",
 			"dev": true,
 			"license": "MIT OR Apache-2.0"
 		},
diff --git a/package.json b/package.json
index cc09d0def2be767..56f1413297f1d75 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
 		"@astrojs/starlight-docsearch": "0.6.0",
 		"@astrojs/starlight-tailwind": "4.0.1",
 		"@cloudflare/vitest-pool-workers": "0.8.71",
-		"@cloudflare/workers-types": "4.20250910.0",
+		"@cloudflare/workers-types": "4.20250919.0",
 		"@codingheads/sticky-header": "1.0.2",
 		"@expressive-code/plugin-collapsible-sections": "0.41.3",
 		"@expressive-code/plugin-line-numbers": "0.41.3",