[Shotimes] loose bulb

[van Oss]

In my 91 SHOable, there's a problem with one of the lamp fixtures.  It accepts a 194 bulb.  1 in 3 times that I shut the hood, the
vibration is enough to shake the bulb loose.  Any ideas how to keep the bulb lodged in there a little stronger?  Thanks.

The offending fixture is in the Mercury Sable front-center "laser" bar that I retrofitted onto my 91 SHO.  The lamp I actually use
might not technically be considered 194 although it's exactly the same shape.  I go to Home Depot and buy the 18-watt bulbs intended
for landscape lights.

Is there some goop that would stand high bulb temps?  TIA for any help.

Joseph van Oss