If Your front door has only the lock in the knob, nothing else.
Then Add a proper deadbolt above it.
A bolt into a reinforced strike is what actually holds a door; the knob just keeps it closed. Deadbolt Installation

Locked out of a home or business, a key snapped in the lock or a lock that has seized: entry with the least damage, then the door secured again.
When you are standing outside your own home, car or shop, the details of lock mechanisms matter less than a steady voice on the phone. Tell us where you are and what happened; we will explain what we can do and what to expect.
Home Lockout ServiceAfter a week of humid weather the back door has swollen in its frame.
Business Lockout ServiceThe manager who holds the only set of office keys is on a plane.
Broken Key ExtractionA roommate tried to help with tweezers, then by gluing the other half to it.
Break-In Damage Lock RepairThere is a hole where the cylinder used to be.
Seized & Jammed Lock OpeningIt is the coldest morning of the winter and the key goes halfway into the side door and stops.
Lost Keys — Same-Visit RekeyThe keys fell out of a gym bag somewhere between the arena and the parking lot.Tap a situation. The answer opens here.
If Your front door has only the lock in the knob, nothing else.
Then Add a proper deadbolt above it.
A bolt into a reinforced strike is what actually holds a door; the knob just keeps it closed. Deadbolt Installation
If The deadbolt wobbles and the screws spin in the door.
Then Re-fit the hardware and repair the bore.
Stripped holes can be plugged and redrilled, so the same lock sits tight again.
If You are tired of carrying keys and want a code instead.
Then A keypad deadbolt with a key override.
Each family member gets a code, guests get a temporary one, and a mechanical key remains for the day the batteries die. Deadbolt Installation
On-site assessment preferred · (289) 217-4629, open 24/7