Ruby 2.7.1 build fails on mac big sur

[Clivern]

hey there! Any idea why am i getting this failure while installing ruby 2.7.1

$ rbenv install 2.7.1

Downloading openssl-1.1.1l.tar.gz...
-> https://dqw8nmjcqpjn7.cloudfront.net/0b7a3e5e59c34827fe0c3a74b7ec8baef302b98fa80088d7f9153aa16fa76bd1
Installing openssl-1.1.1l...
Installed openssl-1.1.1l to /Users/clivern/.rbenv/versions/2.7.1

Downloading ruby-2.7.1.tar.bz2...
-> https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.1.tar.bz2
Installing ruby-2.7.1...
ruby-build: using readline from homebrew

BUILD FAILED (macOS 11.6 using ruby-build 20210928)

Inspect or clean up the working tree at /var/folders/pf/09244qw512n56kyfjxblr2g40000gq/T/ruby-build.20211014115652.49401.QiJaG7
Results logged to /var/folders/pf/09244qw512n56kyfjxblr2g40000gq/T/ruby-build.20211014115652.49401.log

Last 10 log lines:
psych_yaml_tree.c:12:32: note: ')' token is here
    return rb_attr_get(target, rb_intern(StringValueCStr(prop)));
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../.././include/ruby/ruby.h:1847:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
2 warnings generated.
compiling ../.././ext/psych/yaml/writer.c
linking shared-object psych.bundle

$  rbenv --version
rbenv 1.2.0

$ sw_vers
ProductName:	macOS
ProductVersion:	11.6
BuildVersion:	20G165

[Clivern]

works with 2.7.4, seems 2.7.1 not supported anymore!

$ rbenv install --list
2.6.8
2.7.4
3.0.2
jruby-9.3.0.0
mruby-3.0.0
rbx-5.0
truffleruby-21.2.0.1
truffleruby+graalvm-21.2.0

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Use 'rbenv install --list-all / -L' to show all local versions.