diff --git a/package-lock.json b/package-lock.json
index 7c3e93f..1d64023 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
       "devDependencies": {
         "@cloudflare/workers-types": "4.20240403.0",
         "@types/jest": "29.5.12",
-        "@types/mime": "3.0.4",
+        "@types/mime": "4.0.0",
         "@types/service-worker-mock": "2.0.4",
         "@typescript-eslint/eslint-plugin": "7.5.0",
         "@typescript-eslint/parser": "7.5.0",
@@ -1774,10 +1774,14 @@
       "license": "MIT"
     },
     "node_modules/@types/mime": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-3.0.4.tgz",
-      "integrity": "sha512-iJt33IQnVRkqeqC7PzBHPTC6fDlRNRW8vjrgqtScAhrmMwe8c4Eo7+fUGTa+XdWrpEgpyKWMYmi2dIwMAYRzPw==",
-      "dev": true
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-4.0.0.tgz",
+      "integrity": "sha512-5eEkJZ/BLvTE3vXGKkWlyTSUVZuzj23Wj8PoyOq2lt5I3CYbiLBOPb3XmCW6QcuOibIUE6emHXHt9E/F/rCa6w==",
+      "deprecated": "This is a stub types definition. mime provides its own type definitions, so you do not need this installed.",
+      "dev": true,
+      "dependencies": {
+        "mime": "*"
+      }
     },
     "node_modules/@types/node": {
       "version": "15.6.2",
diff --git a/package.json b/package.json
index a7adda6..fb18ea2 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@cloudflare/workers-types": "4.20240403.0",
     "@types/jest": "29.5.12",
-    "@types/mime": "3.0.4",
+    "@types/mime": "4.0.0",
     "@types/service-worker-mock": "2.0.4",
     "@typescript/lib-webworker": "npm:@cloudflare/workers-types",
     "@typescript-eslint/eslint-plugin": "7.5.0",