Small gas leak after sitting ????

I have a 1964 valiant with a 273 v8 drove it for a few month's over the summer parked it in the driveway for storage in late September has been sitting ever since just noticed a small amount of gas under the car I cleaned up the gas and looked for were the leak was coming from I checked the fuel line coming from the tank to the fuel pump and the line to the carb and the tank and sending unit Is there anything else that I can check of do to find this leak Thanks for any ideas