My Memory Card won't stay in

On the Canon SX50 HS, when I put the memory card it--the spring won't catch it and it keeps bouncing back out.. It was fine until I took it out to upload some pics and now it won't stay in. How can I fix this?

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 1
crwdns2892346:0crwdne2892346:0