Merge branch 'maint-2.2'

* maint-2.2: (43 commits)
  Ruby/OpenSSL 2.2.1
  openssl is ractor-safe
  Fixed the results of OpenSSL::Timestamp::Response#failure_info
  Don't redefine #rb_intern over and over again
  Use rb_intern_const instead of rb_intern in Init functions
  Remove trailing spaces [ci skip]
  test/openssl/test_ssl: use TLS 1.2 for finished_messages on LibreSSL
  Ruby/OpenSSL 2.1.3
  ssl: avoid directly storing String object in NPN callback
  x509store: explicitly call rb_gc_mark() against Store/StoreContext
  ssl: explicitly call rb_gc_mark() against SSLContext/SSLSocket objects
  digest: load digest library using Kernel#require
  pkey: use RSTRING_LENINT() instead of casting to int
  fix segv in Timestamp::{Request,Response,TokenInfo}.new
  ts: libressl build fix warning
  ext/openssl/extconf.rb: require OpenSSL version >= 1.0.1, < 3
  .github/workflows: update OpenSSL/LibreSSL versions
  test: adjust test cases for LibreSSL 3.2.4
  ssl: temporary lock string buffer while reading
  ssl: create a temporary frozen string buffer when writing
  ...

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/openssl/version.rb b/lib/openssl/version.rb
index 9c7515ba..d541cbf1 100644
--- a/lib/openssl/version.rb
+++ b/lib/openssl/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module OpenSSL
-  VERSION = "2.2.0"
+  VERSION = "2.2.1"
 end