diff --git a/package-lock.json b/package-lock.json
index 7cf7cc5..a93728b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "react-dom": "^18.0.0"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^3.4.0",
+        "@cloudflare/workers-types": "^4.20230115.0",
         "@tailwindcss/typography": "^0.5.2",
         "@types/node": "^17.0.23",
         "@types/react": "^18.0.3",
@@ -55,9 +55,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-3.4.0.tgz",
-      "integrity": "sha512-i/3czUrt6YqbOWl44OtIqd0cSZvEVXp/1oD/DZylC4PHZL3q/BhbamdEVeVhc/HPk4iD/7MZ2HGaIMO4Z4b12A==",
+      "version": "4.20230115.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20230115.0.tgz",
+      "integrity": "sha512-GPJEiO8AFN+jUpA+DHJ1qdVmk4s/hq8JYKjOV/+U7avGquQbVnj905+Kg6uAEfrq16muwmRKl+XJGqsvlBlDNg==",
       "dev": true
     },
     "node_modules/@eslint/eslintrc": {
@@ -4606,9 +4606,9 @@
       }
     },
     "@cloudflare/workers-types": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-3.4.0.tgz",
-      "integrity": "sha512-i/3czUrt6YqbOWl44OtIqd0cSZvEVXp/1oD/DZylC4PHZL3q/BhbamdEVeVhc/HPk4iD/7MZ2HGaIMO4Z4b12A==",
+      "version": "4.20230115.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20230115.0.tgz",
+      "integrity": "sha512-GPJEiO8AFN+jUpA+DHJ1qdVmk4s/hq8JYKjOV/+U7avGquQbVnj905+Kg6uAEfrq16muwmRKl+XJGqsvlBlDNg==",
       "dev": true
     },
     "@eslint/eslintrc": {
diff --git a/package.json b/package.json
index 9e82435..81e2636 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@tailwindcss/typography": "^0.5.2",
-    "@cloudflare/workers-types": "^3.4.0",
+    "@cloudflare/workers-types": "^4.20230115.0",
     "@types/node": "^17.0.23",
     "@types/react": "^18.0.3",
     "@typescript-eslint/eslint-plugin": "^5.19.0",