" /lib64/libm.so.6: version `GLIBC_2.29' not found "

[mobilelifeful]

my current env.
[root@nat-test-1 K]# cat /etc/os-release
NAME="CentOS Linux"
VERSION="8"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="8"
PLATFORM_ID="platform:el8"
PRETTY_NAME="CentOS Linux 8"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:8"
HOME_URL="https://centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"
CENTOS_MANTISBT_PROJECT="CentOS-8"
CENTOS_MANTISBT_PROJECT_VERSION="8"

[root@nat-test-1 K]# make install
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
 _  __
| |/ /  v0.6.6+6
| ' /
| . \   Select your (beloved) architecture
|_|\_\  to download pre-compiled binaries:

     1	x86_64-linux-gnu
     2	arm-linux-gnueabihf
     3	aarch64-linux-gnu
     4	x86_64-apple-darwin20.4
     5	x86_64-w64-mingw32

(Hint! uname says "Linux x86_64")

[1\2\3\4\5]: 1
make[1]: Entering directory '/home/x/K'
curl -L https://github.com/ctubio/Krypto-trading-bot/releases/download/0.6.x/K-0.6.6.6-linux-x86_64.tar.gz | tar xz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   666  100   666    0     0   4381      0 --:--:-- --:--:-- --:--:--  4410
100 25.1M  100 25.1M    0     0  22.3M      0  0:00:01  0:00:01 --:--:-- 34.7M
make[2]: Entering directory '/home/x/K'
Checking if sudo           is allowed at /usr/local/bin.. OK
Checking if /usr/local/bin is already in your PATH..      OK

List of installed K binaries:
-rwxr-xr-x. 1 root root 8.7M Jan  5 07:05 /usr/local/bin/K-hello-world
-rwxr-xr-x. 1 root root  11M Jan  5 07:05 /usr/local/bin/K-+portfolios
-rwxr-xr-x. 1 root root 8.8M Jan  5 07:05 /usr/local/bin/K-scaling-bot
-rwxr-xr-x. 1 root root 8.7M Jan  5 07:05 /usr/local/bin/K-stable--bot
-rwxr-xr-x. 1 root root  12M Jan  5 07:05 /usr/local/bin/K-trading-bot

make[2]: Leaving directory '/home/x/K'
make[1]: Leaving directory '/home/x/K'
[root@nat-test-1 K]# bash k.sh^C
[root@nat-test-1 K]# ls
build-linux-x86_64  COPYING  doc  etc  glibc-2.29  glibc-2.29.tar.gz  K.sh  LICENSE  Makefile  README.md  src  test
[root@nat-test-1 K]# bash K.sh 
K-trading-bot: /lib64/libm.so.6: version `GLIBC_2.29' not found (required by K-trading-bot)
[root@nat-test-1 K]# make install
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
 _  __
| |/ /  v0.6.6+6
| ' /
| . \   Select your (beloved) architecture
|_|\_\  to download pre-compiled binaries:

     1	x86_64-linux-gnu
     2	arm-linux-gnueabihf
     3	aarch64-linux-gnu
     4	x86_64-apple-darwin20.4
     5	x86_64-w64-mingw32

(Hint! uname says "Linux x86_64")

[1\2\3\4\5]: 1
make[1]: Entering directory '/home/x/K'
curl -L https://github.com/ctubio/Krypto-trading-bot/releases/download/0.6.x/K-0.6.6.6-linux-x86_64.tar.gz | tar xz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   666  100   666    0     0   6865      0 --:--:-- --:--:-- --:--:--  6937
100 25.1M  100 25.1M    0     0  28.0M      0 --:--:-- --:--:-- --:--:-- 28.0M
make[2]: Entering directory '/home/x/K'
Checking if sudo           is allowed at /usr/local/bin.. OK
Checking if /usr/local/bin is already in your PATH..      OK

List of installed K binaries:
-rwxr-xr-x. 1 root root 8.7M Jan  5 07:07 /usr/local/bin/K-hello-world
-rwxr-xr-x. 1 root root  11M Jan  5 07:07 /usr/local/bin/K-+portfolios
-rwxr-xr-x. 1 root root 8.8M Jan  5 07:07 /usr/local/bin/K-scaling-bot
-rwxr-xr-x. 1 root root 8.7M Jan  5 07:07 /usr/local/bin/K-stable--bot
-rwxr-xr-x. 1 root root  12M Jan  5 07:07 /usr/local/bin/K-trading-bot

make[2]: Leaving directory '/home/x/K'
make[1]: Leaving directory '/home/x/K'
[root@nat-test-1 K]# bash K.sh 
K-trading-bot: /lib64/libm.so.6: version `GLIBC_2.29' not found (required by K-trading-bot)
[root@nat-test-1 K]# 

also, installed GLIBC
[root@nat-test-1 K]# ls
build-linux-x86_64 COPYING doc etc glibc-2.29 glibc-2.29.tar.gz K.sh LICENSE Makefile README.md src test

Any hint? Thank you