diff --git a/packages/backend/package.json b/packages/backend/package.json
index beea30a8a..61ba601cd 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -26,7 +26,7 @@
 		"@bull-board/api": "^4.6.4",
 		"@bull-board/koa": "^4.6.4",
 		"@bull-board/ui": "^4.6.4",
-		"@calckey/megalodon": "5.1.21",
+		"@calckey/megalodon": "5.1.23",
 		"@discordapp/twemoji": "14.0.2",
 		"@elastic/elasticsearch": "7.17.0",
 		"@koa/cors": "3.4.3",
@@ -39,6 +39,7 @@
 		"@tensorflow/tfjs": "^4.2.0",
 		"ajv": "8.11.2",
 		"archiver": "5.3.1",
+		"argon2": "^0.30.3",
 		"autobind-decorator": "2.4.0",
 		"autolinker": "4.0.0",
 		"autwh": "0.1.0",
@@ -82,7 +83,6 @@
 		"koa-send": "5.0.1",
 		"koa-slow": "2.1.0",
 		"koa-views": "7.0.2",
-		"@calckey/megalodon": "5.1.23",
 		"mfm-js": "0.23.2",
 		"mime-types": "2.1.35",
 		"multer": "1.4.4-lts.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 945197b4f..1446d8df6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -122,6 +122,9 @@ importers:
       archiver:
         specifier: 5.3.1
         version: 5.3.1
+      argon2:
+        specifier: ^0.30.3
+        version: 0.30.3
       autobind-decorator:
         specifier: 2.4.0
         version: 2.4.0
@@ -1576,6 +1579,24 @@ packages:
       '@lit-labs/ssr-dom-shim': 1.0.0
     dev: true
 
+  /@mapbox/node-pre-gyp@1.0.10:
+    resolution: {integrity: sha512-4ySo4CjzStuprMwk35H5pPbkymjv1SF3jGLj6rAHp/xT/RF7TL7bd9CTm1xDY49K2qF7jmR/g7k+SkLETP6opA==}
+    hasBin: true
+    dependencies:
+      detect-libc: 2.0.1
+      https-proxy-agent: 5.0.1
+      make-dir: 3.1.0
+      node-fetch: 2.6.8
+      nopt: 5.0.0
+      npmlog: 5.0.1
+      rimraf: 3.0.2
+      semver: 7.3.8
+      tar: 6.1.13
+    transitivePeerDependencies:
+      - encoding
+      - supports-color
+    dev: false
+
   /@mapbox/node-pre-gyp@1.0.9:
     resolution: {integrity: sha512-aDF3S3rK9Q2gey/WAttUlISduDItz5BU3306M9Eyv6/oS40aMprnopshtlKTykxRNIBEZuRMaZAnbrQ4QtKGyw==}
     hasBin: true
@@ -1711,6 +1732,11 @@ packages:
       sshpk: 1.17.0
     dev: false
 
+  /@phc/format@1.0.0:
+    resolution: {integrity: sha512-m7X9U6BG2+J+R1lSOdCiITLLrxm+cWlNI3HUFA92oLO77ObGNzaKdh8pMLqdZcshtkKuV84olNNXDfMc4FezBQ==}
+    engines: {node: '>=10'}
+    dev: false
+
   /@phosphor-icons/web@2.0.3:
     resolution: {integrity: sha512-9oYmohi2fo87w3DbtfjBoJxrklVojgXq2wuGcqxKccj2TxMq7UIusKDrGUZYOQHM9pUKkh+kvfmutETMGDR6gg==}
     dev: true
@@ -3433,7 +3459,6 @@ packages:
       delegates: 1.0.0
       readable-stream: 3.6.0
     dev: false
-    optional: true
 
   /are-we-there-yet@3.0.1:
     resolution: {integrity: sha512-QZW4EDmGwlYur0Yyf/b2uGucHQMa8aFUP7eu9ddR73vvhFyt4V0Vl3QHPcTNJ8l6qYOBdxgXdnBXQrHilfRQBg==}
@@ -3450,6 +3475,19 @@ packages:
     resolution: {integrity: sha512-PYjyFOLKQ9y57JvQ6QLo8dAgNqswh8M1RMJYdQduT6xbWSgK36P/Z/v+p888pM69jMMfS8Xd8F6I1kQ/I9HUGg==}
     dev: true
 
+  /argon2@0.30.3:
+    resolution: {integrity: sha512-DoH/kv8c9127ueJSBxAVJXinW9+EuPA3EMUxoV2sAY1qDE5H9BjTyVF/aD2XyHqbqUWabgBkIfcP3ZZuGhbJdg==}
+    engines: {node: '>=14.0.0'}
+    requiresBuild: true
+    dependencies:
+      '@mapbox/node-pre-gyp': 1.0.10
+      '@phc/format': 1.0.0
+      node-addon-api: 5.0.0
+    transitivePeerDependencies:
+      - encoding
+      - supports-color
+    dev: false
+
   /argparse@1.0.10:
     resolution: {integrity: sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==}
     dependencies:
@@ -6665,7 +6703,6 @@ packages:
       strip-ansi: 6.0.1
       wide-align: 1.1.5
     dev: false
-    optional: true
 
   /gauge@4.0.4:
     resolution: {integrity: sha512-f9m+BEN5jkg6a0fZjleidjN51VE1X+mPFQ2DJ0uv1V39oCLCbsGe6yjbBnp7eK7z/+GAon99a3nHuqbuuthyPg==}
@@ -8848,7 +8885,6 @@ packages:
     dependencies:
       semver: 6.3.0
     dev: false
-    optional: true
 
   /make-error@1.3.6:
     resolution: {integrity: sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==}
@@ -9433,7 +9469,6 @@ packages:
     dependencies:
       abbrev: 1.1.1
     dev: false
-    optional: true
 
   /nopt@6.0.0:
     resolution: {integrity: sha512-ZwLpbTgdhuZUnZzjd7nb1ZV+4DoiC6/sfiVKok72ym/4Tlf+DFdlHYmT2JPmcNNWV6Pi3SDf1kT+A4r9RTuT9g==}
@@ -9540,7 +9575,6 @@ packages:
       gauge: 3.0.2
       set-blocking: 2.0.0
     dev: false
-    optional: true
 
   /npmlog@6.0.2:
     resolution: {integrity: sha512-/vBvz5Jfr9dT/aFWd0FIRf+T/Q2WBsLENygUaFUqstqsycmZAP/t5BvFJTK0viFmSUxiUKTUplWy5vt+rvKIxg==}
@@ -11371,7 +11405,6 @@ packages:
     resolution: {integrity: sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==}
     hasBin: true
     dev: false
-    optional: true
 
   /semver@7.3.8:
     resolution: {integrity: sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==}