diff --git a/app/core/security.py b/app/core/security.py
index 9e7e310..db1b3c1 100644
--- a/app/core/security.py
+++ b/app/core/security.py
@@ -7,13 +7,14 @@ from authlib.jose import jwt  # type: ignore
 from authlib.jose.errors import JoseError  # type: ignore
 from fastapi import Depends, HTTPException, status
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
-from passlib.context import CryptContext
+from pwdlib import PasswordHash
+from pwdlib.hashers.argon2 import Argon2Hasher
 
 from core.config import settings
 from models.auth import AccessTokenPayload, AuthUserDocument
 from repositories.auth import get_user_by_username, is_token_revoked
 
-pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+pwd_context = PasswordHash((Argon2Hasher(),))
 bearer_scheme = HTTPBearer(auto_error=False)
 
 
@@ -41,7 +42,7 @@ def hash_password(password: str) -> str:
 
 
 def verify_password(plain_password: str, password_hash: str) -> bool:
-    return pwd_context.verify(plain_password, password_hash)
+    return pwd_context.check(plain_password, password_hash)
 
 
 def create_access_token(*, subject: str) -> str:
@@ -53,14 +54,18 @@ def create_access_token(*, subject: str) -> str:
         "alg": settings.JWT_ALGORITHM,
         "typ": "JWT",
     }
+
     payload = {
         "sub": subject,
         "jti": str(uuid4()),
         "exp": expires_at,
     }
+
     token = jwt.encode(header, payload, settings.JWT_SECRET_KEY)
+
     if isinstance(token, bytes):
         return token.decode("utf-8")
+
     return token
 
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 5baee3f..72e5740 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -29,7 +29,7 @@ services:
       start_period: 10s
 
   mongodb:
-    image: mongo:8
+    image: mongo:8.2
     container_name: theplug-mongodb
     restart: unless-stopped
     environment:
diff --git a/pyproject.toml b/pyproject.toml
index 0932997..20ad945 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
     "authlib>=1.6.0",
     "fastapi[standard]>=0.135.3",
     "motor>=3.7.1",
-    "passlib[bcrypt]>=1.7.4",
+    "pwdlib[argon2,bcrypt]>=0.3.0",
     "pydantic>=2.12.5",
     "pydantic-settings>=2.13.1",
     "pyyaml>=6.0.3",
diff --git a/uv.lock b/uv.lock
index d153d54..bb8b07c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -32,6 +32,49 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/da/42/e921fccf5015463e32a3cf6ee7f980a6ed0f395ceeaa45060b61d86486c2/anyio-4.13.0-py3-none-any.whl", hash = "sha256:08b310f9e24a9594186fd75b4f73f4a4152069e3853f1ed8bfbf58369f4ad708", size = 114353, upload-time = "2026-03-24T12:59:08.246Z" },
 ]
 
+[[package]]
+name = "argon2-cffi"
+version = "25.1.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "argon2-cffi-bindings" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/0e/89/ce5af8a7d472a67cc819d5d998aa8c82c5d860608c4db9f46f1162d7dab9/argon2_cffi-25.1.0.tar.gz", hash = "sha256:694ae5cc8a42f4c4e2bf2ca0e64e51e23a040c6a517a85074683d3959e1346c1", size = 45706, upload-time = "2025-06-03T06:55:32.073Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/4f/d3/a8b22fa575b297cd6e3e3b0155c7e25db170edf1c74783d6a31a2490b8d9/argon2_cffi-25.1.0-py3-none-any.whl", hash = "sha256:fdc8b074db390fccb6eb4a3604ae7231f219aa669a2652e0f20e16ba513d5741", size = 14657, upload-time = "2025-06-03T06:55:30.804Z" },
+]
+
+[[package]]
+name = "argon2-cffi-bindings"
+version = "25.1.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "cffi" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/5c/2d/db8af0df73c1cf454f71b2bbe5e356b8c1f8041c979f505b3d3186e520a9/argon2_cffi_bindings-25.1.0.tar.gz", hash = "sha256:b957f3e6ea4d55d820e40ff76f450952807013d361a65d7f28acc0acbf29229d", size = 1783441, upload-time = "2025-07-30T10:02:05.147Z" }
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+    { url = "https://files.pythonhosted.org/packages/44/b4/678503f12aceb0262f84fa201f6027ed77d71c5019ae03b399b97caa2f19/argon2_cffi_bindings-25.1.0-cp314-cp314t-musllinux_1_2_x86_64.whl", hash = "sha256:ba92837e4a9aa6a508c8d2d7883ed5a8f6c308c89a4790e1e447a220deb79a85", size = 91934, upload-time = "2025-07-30T10:01:47.203Z" },
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+    { url = "https://files.pythonhosted.org/packages/b3/80/0106a7448abb24a2c467bf7d527fe5413b7fdfa4ad6d6a96a43a62ef3988/argon2_cffi_bindings-25.1.0-cp314-cp314t-win_amd64.whl", hash = "sha256:b55aec3565b65f56455eebc9b9f34130440404f27fe21c3b375bf1ea4d8fbae6", size = 32597, upload-time = "2025-07-30T10:01:49.112Z" },
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+    { url = "https://files.pythonhosted.org/packages/e2/c6/a759ece8f1829d1f162261226fbfd2c6832b3ff7657384045286d2afa384/argon2_cffi_bindings-25.1.0-cp39-abi3-win_amd64.whl", hash = "sha256:a98cd7d17e9f7ce244c0803cad3c23a7d379c301ba618a5fa76a67d116618b98", size = 31715, upload-time = "2025-07-30T10:01:58.56Z" },
+    { url = "https://files.pythonhosted.org/packages/42/b9/f8d6fa329ab25128b7e98fd83a3cb34d9db5b059a9847eddb840a0af45dd/argon2_cffi_bindings-25.1.0-cp39-abi3-win_arm64.whl", hash = "sha256:b0fdbcf513833809c882823f98dc2f931cf659d9a1429616ac3adebb49f5db94", size = 27149, upload-time = "2025-07-30T10:01:59.329Z" },
+]
+
 [[package]]
 name = "authlib"
 version = "1.6.9"
@@ -494,20 +537,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/b7/b9/c538f279a4e237a006a2c98387d081e9eb060d203d8ed34467cc0f0b9b53/packaging-26.0-py3-none-any.whl", hash = "sha256:b36f1fef9334a5588b4166f8bcd26a14e521f2b55e6b9de3aaa80d3ff7a37529", size = 74366, upload-time = "2026-01-21T20:50:37.788Z" },
 ]
 
-[[package]]
-name = "passlib"
-version = "1.7.4"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/b6/06/9da9ee59a67fae7761aab3ccc84fa4f3f33f125b370f1ccdb915bf967c11/passlib-1.7.4.tar.gz", hash = "sha256:defd50f72b65c5402ab2c573830a6978e5f202ad0d984793c8dde2c4152ebe04", size = 689844, upload-time = "2020-10-08T19:00:52.121Z" }
-wheels = [
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-]
-
-[package.optional-dependencies]
-bcrypt = [
-    { name = "bcrypt" },
-]
-
 [[package]]
 name = "pluggy"
 version = "1.6.0"
@@ -517,6 +546,23 @@ wheels = [
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 ]
 
+[[package]]
+name = "pwdlib"
+version = "0.3.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/5f/41/a7c0d8a003c36ce3828ae3ed0391fe6a15aad65f082dbd6bec817ea95c0b/pwdlib-0.3.0.tar.gz", hash = "sha256:6ca30f9642a1467d4f5d0a4d18619de1c77f17dfccb42dd200b144127d3c83fc", size = 215810, upload-time = "2025-10-25T12:44:24.395Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/62/0c/9086a357d02a050fbb3270bf5043ac284dbfb845670e16c9389a41defc9e/pwdlib-0.3.0-py3-none-any.whl", hash = "sha256:f86c15c138858c09f3bba0a10984d4f9178158c55deaa72eac0210849b1a140d", size = 8633, upload-time = "2025-10-25T12:44:23.406Z" },
+]
+
+[package.optional-dependencies]
+argon2 = [
+    { name = "argon2-cffi" },
+]
+bcrypt = [
+    { name = "bcrypt" },
+]
+
 [[package]]
 name = "pycparser"
 version = "3.0"
@@ -853,7 +899,7 @@ dependencies = [
     { name = "authlib" },
     { name = "fastapi", extra = ["standard"] },
     { name = "motor" },
-    { name = "passlib", extra = ["bcrypt"] },
+    { name = "pwdlib", extra = ["argon2", "bcrypt"] },
     { name = "pydantic" },
     { name = "pydantic-settings" },
     { name = "pyyaml" },
@@ -871,7 +917,7 @@ requires-dist = [
     { name = "authlib", specifier = ">=1.6.0" },
     { name = "fastapi", extras = ["standard"], specifier = ">=0.135.3" },
     { name = "motor", specifier = ">=3.7.1" },
-    { name = "passlib", extras = ["bcrypt"], specifier = ">=1.7.4" },
+    { name = "pwdlib", extras = ["argon2", "bcrypt"], specifier = ">=0.3.0" },
     { name = "pydantic", specifier = ">=2.12.5" },
     { name = "pydantic-settings", specifier = ">=2.13.1" },
     { name = "pyyaml", specifier = ">=6.0.3" },