diff --git a/backend/poetry.lock b/backend/poetry.lock
index 1b7ef4043..782e1c49a 100644
--- a/backend/poetry.lock
+++ b/backend/poetry.lock
@@ -165,14 +165,14 @@ files = [
 
 [[package]]
 name = "authlib"
-version = "1.6.5"
+version = "1.6.6"
 description = "The ultimate Python library in building OAuth and OpenID Connect servers and clients."
 optional = false
 python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "authlib-1.6.5-py2.py3-none-any.whl", hash = "sha256:3e0e0507807f842b02175507bdee8957a1d5707fd4afb17c32fb43fee90b6e3a"},
-    {file = "authlib-1.6.5.tar.gz", hash = "sha256:6aaf9c79b7cc96c900f0b284061691c5d4e61221640a948fe690b556a6d6d10b"},
+    {file = "authlib-1.6.6-py2.py3-none-any.whl", hash = "sha256:7d9e9bc535c13974313a87f53e8430eb6ea3d1cf6ae4f6efcd793f2e949143fd"},
+    {file = "authlib-1.6.6.tar.gz", hash = "sha256:45770e8e056d0f283451d9996fbb59b70d45722b45d854d58f32878d0a40c38e"},
 ]
 
 [package.dependencies]
@@ -1296,6 +1296,7 @@ description = "Low-level, pure Python DBus protocol wrapper."
 optional = false
 python-versions = ">=3.7"
 groups = ["main"]
+markers = "sys_platform == \"linux\""
 files = [
     {file = "jeepney-0.9.0-py3-none-any.whl", hash = "sha256:97e5714520c16fc0a45695e5365a2e11b81ea79bba796e26f9f1d178cb182683"},
     {file = "jeepney-0.9.0.tar.gz", hash = "sha256:cf0e9e845622b81e4a28df94c40345400256ec608d0e55bb8a3feaa9163f5732"},
@@ -2858,6 +2859,7 @@ description = "Python bindings to FreeDesktop.org Secret Service API"
 optional = false
 python-versions = ">=3.10"
 groups = ["main"]
+markers = "sys_platform == \"linux\""
 files = [
     {file = "secretstorage-3.5.0-py3-none-any.whl", hash = "sha256:0ce65888c0725fcb2c5bc0fdb8e5438eece02c523557ea40ce0703c266248137"},
     {file = "secretstorage-3.5.0.tar.gz", hash = "sha256:f04b8e4689cbce351744d5537bf6b1329c6fc68f91fa666f60a380edddcd11be"},
@@ -3297,4 +3299,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13"
-content-hash = "eb6870f76aedcf5d10547a644d203dad5ec9ffbc544c61a9e70c5f11a387729c"
+content-hash = "eb0f2497c10c0a736c949e7d299cafe3d4572574823faa3d5c6e015e89b014d4"
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 374173a1c..b139cd640 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -46,7 +46,7 @@ greenlet = "^3.3.0"
 h11 = "^0.16.0"
 fastmcp = "2.14.0"
 posthog = "^7.0.1"
-authlib = "1.6.5"
+authlib = "1.6.6"
 
 [tool.poetry.group.test]
 optional = true