diff --git a/package-lock.json b/package-lock.json
index cf637c440..48bab9159 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "@types/type-is": "^1.6.3",
         "@types/uri-template-lite": "^19.12.1",
         "@types/urijs": "^1.19.17",
-        "@types/whatwg-mimetype": "^3.0.0",
+        "@types/whatwg-mimetype": "^5.0.0",
         "@typescript-eslint/eslint-plugin": "^8.57.2",
         "@typescript-eslint/parser": "^8.57.2",
         "abstract-logging": "^2.0.1",
@@ -2389,9 +2389,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2406,9 +2403,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2423,9 +2417,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2440,9 +2431,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3341,9 +3329,9 @@
       "license": "MIT"
     },
     "node_modules/@types/whatwg-mimetype": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/@types/whatwg-mimetype/-/whatwg-mimetype-3.0.2.tgz",
-      "integrity": "sha512-c2AKvDT8ToxLIOUlN51gTiHXflsfIFisS4pO7pDPoKouJCESkhZnEy623gwP9laCy5lnLDAw1vAzu2vM2YLOrA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-mimetype/-/whatwg-mimetype-5.0.0.tgz",
+      "integrity": "sha512-YYiBDCoqBgDIF2ByYn4qDb4RaXZ46cOQ6j2We1Ni3bikFNI7YFeL8jxSiYowWsriZrb1mw09CLZ+b+ZkIhsLVw==",
       "dev": true,
       "license": "MIT"
     },
@@ -3697,9 +3685,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3714,9 +3699,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3731,9 +3713,6 @@
         "ppc64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3748,9 +3727,6 @@
         "riscv64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3765,9 +3741,6 @@
         "riscv64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3782,9 +3755,6 @@
         "s390x"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3799,9 +3769,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3816,9 +3783,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -16207,12 +16171,12 @@
       "license": "BSD-2-Clause"
     },
     "node_modules/whatwg-mimetype": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-3.0.0.tgz",
-      "integrity": "sha512-nt+N2dzIutVRxARx1nghPKGv1xHikU7HKdfafKkLNLindmPU/ch3U31NOCGGA/dmPcmb1VlofO0vnKAcsm0o/Q==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-5.0.0.tgz",
+      "integrity": "sha512-sXcNcHOC51uPGF0P/D4NVtrkjSU2fNsm9iog4ZvZJsL3rjoDAzXZhkm2MWt1y+PUdggKAYVoMAIYcs78wJ51Cw==",
       "license": "MIT",
       "engines": {
-        "node": ">=12"
+        "node": ">=20"
       }
     },
     "node_modules/whatwg-url": {
@@ -16653,7 +16617,7 @@
         "tslib": "^2.3.1",
         "type-is": "^1.6.18",
         "uri-template-lite": "^22.9.0",
-        "whatwg-mimetype": "^3.0.0"
+        "whatwg-mimetype": "^5.0.0"
       },
       "engines": {
         "node": ">=24.14.0"
diff --git a/package.json b/package.json
index 16260edfb..5532f9b0e 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@types/type-is": "^1.6.3",
     "@types/uri-template-lite": "^19.12.1",
     "@types/urijs": "^1.19.17",
-    "@types/whatwg-mimetype": "^3.0.0",
+    "@types/whatwg-mimetype": "^5.0.0",
     "@typescript-eslint/eslint-plugin": "^8.57.2",
     "@typescript-eslint/parser": "^8.57.2",
     "abstract-logging": "^2.0.1",
diff --git a/packages/http/package.json b/packages/http/package.json
index 5c5035a99..fd4b014db 100644
--- a/packages/http/package.json
+++ b/packages/http/package.json
@@ -44,7 +44,7 @@
     "tslib": "^2.3.1",
     "type-is": "^1.6.18",
     "uri-template-lite": "^22.9.0",
-    "whatwg-mimetype": "^3.0.0"
+    "whatwg-mimetype": "^5.0.0"
   },
   "publishConfig": {
     "access": "public"