diff --git a/mailbox-app/pyproject.toml b/mailbox-app/pyproject.toml
index ee0467e..69c76bf 100644
--- a/mailbox-app/pyproject.toml
+++ b/mailbox-app/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
   "argon2-cffi==25.1.0",
   "bleach==6.4.0",
   "tinycss2==1.5.1",
-  "filelock==3.20.3",
+  "filelock==3.32.6",
   "gunicorn==25.1.0",
   "mysqlclient==2.2.7",
   "python-dotenv==1.2.2",
diff --git a/mailbox-app/requirements/base.txt b/mailbox-app/requirements/base.txt
index 5aa92e1..a880d4c 100644
--- a/mailbox-app/requirements/base.txt
+++ b/mailbox-app/requirements/base.txt
@@ -1,7 +1,7 @@
 Django==5.2.17
 argon2-cffi==25.1.0
 bleach==6.4.0
-filelock==3.20.3
+filelock==3.32.6
 gunicorn==25.1.0
 python-dotenv==1.2.2
 whitenoise==6.11.0
diff --git a/mailbox-app/requirements/constraints.txt b/mailbox-app/requirements/constraints.txt
index c8bb3fe..629a681 100644
--- a/mailbox-app/requirements/constraints.txt
+++ b/mailbox-app/requirements/constraints.txt
@@ -7,7 +7,7 @@ bleach==6.4.0
 cffi==2.0.0
 coverage==7.13.3
 Django==5.2.17
-filelock==3.20.3
+filelock==3.32.6
 gunicorn==25.1.0
 packaging==26.2
 pip-audit==2.10.0
diff --git a/mailbox-app/requirements/locked.txt b/mailbox-app/requirements/locked.txt
index 8cf762b..39152a0 100644
--- a/mailbox-app/requirements/locked.txt
+++ b/mailbox-app/requirements/locked.txt
@@ -5,7 +5,7 @@ asgiref==3.11.1
 bleach==6.4.0
 cffi==2.0.0
 Django==5.2.17
-filelock==3.20.3
+filelock==3.32.6
 gunicorn==25.1.0
 packaging==26.2
 pycparser==3.0