diff --git a/pyproject.toml b/pyproject.toml
index 5347fe7de..144612f29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ dependencies = [
   "drf-spectacular~=0.30",
   "drf-spectacular-sidecar>=2026.7.1,<2026.10",
   "drf-writable-nested~=0.7.1",
-  "filelock~=3.32.0",
+  "filelock>=3.32,<4.1",
   "flower>=2.0.1,<2.3",
   "gotenberg-client[httpx]~=1.0",
   "httpx-oauth~=0.17",
diff --git a/uv.lock b/uv.lock
index 85dada504..9528d0f4f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1272,11 +1272,11 @@ wheels = [
 
 [[package]]
 name = "filelock"
-version = "3.32.6"
+version = "4.0.4"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/38/46/126b1831dca12060d4a8296bf9c4fe5c93c4f22197fa239cb0cc82042bba/filelock-3.32.6.tar.gz", hash = "sha256:a3f55a18af3652a94d8f47d6055df434f254ca1d02ef2524850c6d249ca2512c", size = 225172, upload-time = "2026-09-08T22:57:11.528Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/c8/d7/37691dc5063438a448b646f6f2442b4beebf16cc0e18d8cdfa7aeec60b8c/filelock-4.0.4.tar.gz", hash = "sha256:90999ed63a26ccf86b93b959ab10cf1017f422d816be454ed54cbed263e71ab5", size = 244639, upload-time = "2026-09-26T15:19:12.105Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/cc/06/4f138f618dbea66803291274f228f01daf29f306fe8b96bc30dab765df75/filelock-3.32.6-py3-none-any.whl", hash = "sha256:3f16ecd0117feae0dfc147e8c62eb5daeccd8bd800378c3ddf416de9b4feb6b1", size = 100189, upload-time = "2026-09-08T22:57:10.182Z" },
+    { url = "https://files.pythonhosted.org/packages/bc/ac/8b9c6dc2aa7e9cf5582e20a337006c3428c3d752c2255dbaca2c78a8be45/filelock-4.0.4-py3-none-any.whl", hash = "sha256:0df72be195ca7892216d16f2edce8d9b93a571f02402972020a8cff84c594c7b", size = 108629, upload-time = "2026-09-26T15:19:10.603Z" },
 ]
 
 [[package]]
@@ -3149,7 +3149,7 @@ requires-dist = [
     { name = "drf-spectacular", specifier = "~=0.30" },
     { name = "drf-spectacular-sidecar", specifier = ">=2026.7.1,<2026.10" },
     { name = "drf-writable-nested", specifier = "~=0.7.1" },
-    { name = "filelock", specifier = "~=3.32.0" },
+    { name = "filelock", specifier = ">=3.32,<4.1" },
     { name = "flower", specifier = ">=2.0.1,<2.3" },
     { name = "gotenberg-client", extras = ["httpx"], specifier = "~=1.0" },
     { name = "granian", extras = ["uvloop"], marker = "extra == 'webserver'", specifier = ">=2.7,<2.9" },