diff --git a/nixos/modules/services/misc/gitea.nix b/nixos/modules/services/misc/gitea.nix
index c8c59fb256e8..b6f4d88adbef 100644
--- a/nixos/modules/services/misc/gitea.nix
+++ b/nixos/modules/services/misc/gitea.nix
@@ -394,6 +394,28 @@ in
         WorkingDirectory = cfg.stateDir;
         ExecStart = "${gitea.bin}/bin/gitea web";
         Restart = "always";
+
+        # Filesystem
+        ProtectSystem = "strict";
+        ProtectHome = true;
+        PrivateTmp = true;
+        PrivateDevices = true;
+        ProtectKernelTunables = true;
+        ProtectKernelModules = true;
+        ProtectControlGroups = true;
+        ReadWritePaths = cfg.stateDir;
+        # Caps
+        CapabilityBoundingSet = "";
+        NoNewPrivileges = true;
+        # Misc.
+        LockPersonality = true;
+        RestrictRealtime = true;
+        PrivateMounts = true;
+        PrivateUsers = true;
+        MemoryDenyWriteExecute = true;
+        SystemCallFilter = "~@chown @clock @cpu-emulation @debug @keyring @memlock @module @mount @obsolete @privileged @raw-io @reboot @resources @setuid @swap";
+        SystemCallArchitectures = "native";
+        RestrictAddressFamilies = "AF_UNIX AF_INET AF_INET6";
       };
 
       environment = {