diff --git a/mailbox-app/pyproject.toml b/mailbox-app/pyproject.toml
index 94278e9..d6e40bb 100644
--- a/mailbox-app/pyproject.toml
+++ b/mailbox-app/pyproject.toml
@@ -27,7 +27,7 @@ requires-python = ">=3.12,<3.13"
 license = "AGPL-3.0-or-later"
 readme = "README.md"
 dependencies = [
-  "Django==5.2.17",
+  "Django==6.1",
   "argon2-cffi==25.1.0",
   "bleach==6.4.0",
   "tinycss2==1.5.1",
diff --git a/mailbox-app/requirements/base.txt b/mailbox-app/requirements/base.txt
index 5aa92e1..b15016a 100644
--- a/mailbox-app/requirements/base.txt
+++ b/mailbox-app/requirements/base.txt
@@ -1,4 +1,4 @@
-Django==5.2.17
+Django==6.1
 argon2-cffi==25.1.0
 bleach==6.4.0
 filelock==3.20.3
diff --git a/mailbox-app/requirements/constraints.txt b/mailbox-app/requirements/constraints.txt
index c8bb3fe..04cd128 100644
--- a/mailbox-app/requirements/constraints.txt
+++ b/mailbox-app/requirements/constraints.txt
@@ -6,7 +6,7 @@ bandit==1.9.4
 bleach==6.4.0
 cffi==2.0.0
 coverage==7.13.3
-Django==5.2.17
+Django==6.1
 filelock==3.20.3
 gunicorn==25.1.0
 packaging==26.2
diff --git a/mailbox-app/requirements/locked.txt b/mailbox-app/requirements/locked.txt
index 8cf762b..2fcd9d2 100644
--- a/mailbox-app/requirements/locked.txt
+++ b/mailbox-app/requirements/locked.txt
@@ -4,7 +4,7 @@ argon2-cffi-bindings==25.1.0
 asgiref==3.11.1
 bleach==6.4.0
 cffi==2.0.0
-Django==5.2.17
+Django==6.1
 filelock==3.20.3
 gunicorn==25.1.0
 packaging==26.2