Does not run on Debian Linux

f@mkiii:~/download$ ./citybound-v0.1.2-685-g8a11e4d
./citybound-v0.1.2-685-g8a11e4d: error while loading shared libraries: libssl.so.1.0.0: cannot open shared object file: No such file or directory

root@mkiii:/home/f/download# apt-get install libssl-dev
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
libssl-dev is already the newest version (3.0.9-1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.