diff --git a/deno.lock b/deno.lock
index cd0f29291..b8d606a3c 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1,7 +1,7 @@
 {
   "version": "4",
   "specifiers": {
-    "jsr:@dajiaji/mlkem@^2.2.0": "2.2.0",
+    "jsr:@dajiaji/mlkem@^2.3.0": "2.3.0",
     "jsr:@david/code-block-writer@^13.0.2": "13.0.2",
     "jsr:@deno/cache-dir@~0.10.3": "0.10.3",
     "jsr:@deno/dnt@*": "0.41.3",
@@ -43,15 +43,9 @@
     "npm:@noble/hashes@^1.4.0": "1.4.0",
     "npm:@noble/hashes@^1.5.0": "1.5.0",
     "npm:@types/node@*": "22.2.0",
-    "npm:mlkem@^2.2.0": "2.2.0"
+    "npm:mlkem@^2.3.0": "2.3.0"
   },
   "jsr": {
-    "@dajiaji/mlkem@2.2.0": {
-      "integrity": "37f4cf9be3e89bdeb74e71d6e17daf52fe9147b86c87955b7ca234e8f25d6449",
-      "dependencies": [
-        "npm:@noble/hashes@^1.5.0"
-      ]
-    },
     "@david/code-block-writer@13.0.2": {
       "integrity": "14dd3baaafa3a2dea8bf7dfbcddeccaa13e583da2d21d666c01dc6d681cd74ad"
     },
@@ -228,8 +222,8 @@
         "undici-types"
       ]
     },
-    "mlkem@2.2.0": {
-      "integrity": "sha512-TRMY06ZsZctqsG2wVa5A28Vin8Lc0HoG35anFQOFmwxXtvCDK44mNDjFIC2oz1IQwirTrWRgGFiyKdhPOL28TA==",
+    "mlkem@2.3.0": {
+      "integrity": "sha512-iDY5QTG/O/ouhC79dIlVzyiaieOopwhPZmxvevLoeJ4hkADnyCLa5ZSID1PKbReF4IebidrJrRf5YM3TFp02cQ==",
       "dependencies": [
         "@noble/hashes@1.5.0"
       ]
@@ -354,7 +348,7 @@
       },
       "packages/hybridkem-x-wing": {
         "dependencies": [
-          "jsr:@dajiaji/mlkem@^2.2.0",
+          "jsr:@dajiaji/mlkem@^2.3.0",
           "npm:@noble/hashes@^1.5.0"
         ]
       },
diff --git a/npm/package-lock.json b/npm/package-lock.json
index 2d040fb18..bca0eb7f1 100644
--- a/npm/package-lock.json
+++ b/npm/package-lock.json
@@ -1888,9 +1888,9 @@
       }
     },
     "node_modules/mlkem": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/mlkem/-/mlkem-2.2.0.tgz",
-      "integrity": "sha512-TRMY06ZsZctqsG2wVa5A28Vin8Lc0HoG35anFQOFmwxXtvCDK44mNDjFIC2oz1IQwirTrWRgGFiyKdhPOL28TA==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/mlkem/-/mlkem-2.3.0.tgz",
+      "integrity": "sha512-iDY5QTG/O/ouhC79dIlVzyiaieOopwhPZmxvevLoeJ4hkADnyCLa5ZSID1PKbReF4IebidrJrRf5YM3TFp02cQ==",
       "license": "MIT",
       "dependencies": {
         "@noble/hashes": "^1.5.0"
@@ -3547,7 +3547,7 @@
     },
     "packages/chacha20poly1305": {
       "name": "@hpke/chacha20poly1305",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3",
@@ -3565,7 +3565,7 @@
     },
     "packages/common": {
       "name": "@hpke/common",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "devDependencies": {
         "@deno/shim-deno": "~0.18.0",
@@ -3578,7 +3578,7 @@
     },
     "packages/core": {
       "name": "@hpke/core",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3"
@@ -3594,7 +3594,7 @@
     },
     "packages/dhkem-secp256k1": {
       "name": "@hpke/dhkem-secp256k1",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3",
@@ -3613,7 +3613,7 @@
     },
     "packages/dhkem-x25519": {
       "name": "@hpke/dhkem-x25519",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3",
@@ -3632,7 +3632,7 @@
     },
     "packages/dhkem-x448": {
       "name": "@hpke/dhkem-x448",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3",
@@ -3650,7 +3650,7 @@
       }
     },
     "packages/hpke-js": {
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/chacha20poly1305": "^1.4.3",
@@ -3671,13 +3671,13 @@
     },
     "packages/hybridkem-x-wing": {
       "name": "@hpke/hybridkem-x-wing",
-      "version": "0.1.0",
+      "version": "0.2.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3",
         "@hpke/dhkem-x25519": "^1.4.3",
         "@noble/hashes": "^1.5.0",
-        "mlkem": "^2.2.0"
+        "mlkem": "^2.3.0"
       },
       "devDependencies": {
         "@deno/shim-deno": "~0.18.0",
@@ -3691,7 +3691,7 @@
     },
     "packages/hybridkem-x25519-kyber768": {
       "name": "@hpke/hybridkem-x25519-kyber768",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@hpke/common": "^1.4.3",
@@ -3770,6 +3770,21 @@
         "@hpke/hybridkem-x-wing": "^0.1.0"
       }
     },
+    "samples/hybridkem-x-wing/node_modules/@hpke/hybridkem-x-wing": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@hpke/hybridkem-x-wing/-/hybridkem-x-wing-0.1.0.tgz",
+      "integrity": "sha512-wSXin+STJJOW1FdPCtMCvIl9CfewxMP/f5q8SxrXTskOm4krt2X9SkenEq+7b1ywzeCwJUteB2Prxd1SnRZGwg==",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/common": "^1.4.3",
+        "@hpke/dhkem-x25519": "^1.4.3",
+        "@noble/hashes": "^1.4.0",
+        "mlkem": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
     "samples/hybridkem-x25519-kyber768": {
       "name": "samples-node-hpke-hybridkem-x25519-kyber768",
       "version": "1.0.0",
@@ -3883,6 +3898,21 @@
         "wrangler": "^3.60.3"
       }
     },
+    "test/hybridkem-x-wing/runtimes/cloudflare/node_modules/@hpke/hybridkem-x-wing": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@hpke/hybridkem-x-wing/-/hybridkem-x-wing-0.1.0.tgz",
+      "integrity": "sha512-wSXin+STJJOW1FdPCtMCvIl9CfewxMP/f5q8SxrXTskOm4krt2X9SkenEq+7b1ywzeCwJUteB2Prxd1SnRZGwg==",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/common": "^1.4.3",
+        "@hpke/dhkem-x25519": "^1.4.3",
+        "@noble/hashes": "^1.4.0",
+        "mlkem": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
     "test/hybridkem-x25519-kyber768/runtimes/cloudflare": {
       "name": "test-cloudflare-hpke-hybridkem-x25519-kyber768",
       "version": "0.0.0",