/lib64/libstdc++.so.6: version not found

[alexus]

... following is LAST working version:

FileZilla Client
----------------

Version:          3.10.3

Build information:
  Compiled for:   x86_64-unknown-linux-gnu
  Compiled on:    x86_64-unknown-linux-gnu
  Build date:     2015-03-29
  Compiled with:  gcc (Debian 4.7.2-5) 4.7.2
  Compiler flags: -g -O2 -Wall -g -std=gnu++11

Linked against:
  wxWidgets:      3.0.3
  GnuTLS:         3.3.13
  SQLite:         3.8.8.3

Operating system:
  Name:           Linux 3.10.0-229.4.2.el7.x86_64 x86_64
  Version:        3.10

next version is no longer working (won't even launch):

[alexus@wcmisdlin02 bin]$ ./filezilla 
./filezilla: /lib64/libstdc++.so.6: version `CXXABI_1.3.8' not found (required by ./filezilla)
./filezilla: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by ./filezilla)
[alexus@wcmisdlin02 bin]$