diff --git a/bun.lock b/bun.lock
index 156a833..b28e069 100644
--- a/bun.lock
+++ b/bun.lock
@@ -10,7 +10,7 @@
         "lodash": "^4.17.21",
         "sax": "^1.4.1",
         "strip-bom": "^5.0.0",
-        "whatwg-mimetype": "4.0.0",
+        "whatwg-mimetype": "5.0.0",
       },
       "devDependencies": {
         "@eslint/js": "^9.38.0",
@@ -20,7 +20,7 @@
         "@types/lodash": "^4.17.20",
         "@types/node": "^20.0.0",
         "@types/sax": "^1.2.7",
-        "@types/whatwg-mimetype": "^3.0.2",
+        "@types/whatwg-mimetype": "^5.0.0",
         "body-parser": "^2.2.0",
         "colors": "^1.4.0",
         "diff": "^8.0.2",
@@ -166,7 +166,7 @@
 
     "@types/unist": ["@types/unist@2.0.11", "", {}, "sha512-CmBKiL6NNo/OqgmMn95Fk9Whlp2mtvIv+KNpQKN2F4SjvrEesubTRWGYSg+BnWZOnlCaSTU1sMpsBOzgbYhnsA=="],
 
-    "@types/whatwg-mimetype": ["@types/whatwg-mimetype@3.0.2", "", {}, "sha512-c2AKvDT8ToxLIOUlN51gTiHXflsfIFisS4pO7pDPoKouJCESkhZnEy623gwP9laCy5lnLDAw1vAzu2vM2YLOrA=="],
+    "@types/whatwg-mimetype": ["@types/whatwg-mimetype@5.0.0", "", {}, "sha512-YYiBDCoqBgDIF2ByYn4qDb4RaXZ46cOQ6j2We1Ni3bikFNI7YFeL8jxSiYowWsriZrb1mw09CLZ+b+ZkIhsLVw=="],
 
     "@typescript-eslint/eslint-plugin": ["@typescript-eslint/eslint-plugin@8.46.2", "", { "dependencies": { "@eslint-community/regexpp": "^4.10.0", "@typescript-eslint/scope-manager": "8.46.2", "@typescript-eslint/type-utils": "8.46.2", "@typescript-eslint/utils": "8.46.2", "@typescript-eslint/visitor-keys": "8.46.2", "graphemer": "^1.4.0", "ignore": "^7.0.0", "natural-compare": "^1.4.0", "ts-api-utils": "^2.1.0" }, "peerDependencies": { "@typescript-eslint/parser": "^8.46.2", "eslint": "^8.57.0 || ^9.0.0", "typescript": ">=4.8.4 <6.0.0" } }, "sha512-ZGBMToy857/NIPaaCucIUQgqueOiq7HeAKkhlvqVV4lm089zUFW6ikRySx2v+cAhKeUCPuWVHeimyk6Dw1iY3w=="],
 
@@ -938,7 +938,7 @@
 
     "vfile-message": ["vfile-message@2.0.4", "", { "dependencies": { "@types/unist": "^2.0.0", "unist-util-stringify-position": "^2.0.0" } }, "sha512-DjssxRGkMvifUOJre00juHoP9DPWuzjxKuMDrhNbk2TdaYYBNMStsNhEOt3idrtI12VQYM/1+iM0KOzXi4pxwQ=="],
 
-    "whatwg-mimetype": ["whatwg-mimetype@4.0.0", "", {}, "sha512-QaKxh0eNIi2mE9p2vEdzfagOKHCcj1pJ56EEHGQOVxp8r9/iszLUUV7v89x9O1p/T+NlTM5W7jW6+cz4Fq1YVg=="],
+    "whatwg-mimetype": ["whatwg-mimetype@5.0.0", "", {}, "sha512-sXcNcHOC51uPGF0P/D4NVtrkjSU2fNsm9iog4ZvZJsL3rjoDAzXZhkm2MWt1y+PUdggKAYVoMAIYcs78wJ51Cw=="],
 
     "which": ["which@2.0.2", "", { "dependencies": { "isexe": "^2.0.0" }, "bin": { "node-which": "bin/node-which" } }, "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA=="],
 
diff --git a/package.json b/package.json
index 1ee011d..ef2925f 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "lodash": "^4.17.21",
     "sax": "^1.4.1",
     "strip-bom": "^5.0.0",
-    "whatwg-mimetype": "4.0.0"
+    "whatwg-mimetype": "5.0.0"
   },
   "repository": {
     "type": "git",
@@ -94,7 +94,7 @@
     "@types/lodash": "^4.17.20",
     "@types/node": "^20.0.0",
     "@types/sax": "^1.2.7",
-    "@types/whatwg-mimetype": "^3.0.2",
+    "@types/whatwg-mimetype": "^5.0.0",
     "body-parser": "^2.2.0",
     "colors": "^1.4.0",
     "diff": "^8.0.2",