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-rw-r--r--ext/psych/psych.gemspec2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/psych/psych.gemspec b/ext/psych/psych.gemspec
index f564c51bb5..e0168af7d8 100644
--- a/ext/psych/psych.gemspec
+++ b/ext/psych/psych.gemspec
@@ -47,7 +47,7 @@ DESCRIPTION
s.rdoc_options = ["--main", "README.md"]
s.extra_rdoc_files = ["README.md"]
- s.required_ruby_version = Gem::Requirement.new(">= 2.2.2")
+ s.required_ruby_version = Gem::Requirement.new(">= 2.4.0")
s.rubygems_version = "2.5.1"
s.required_rubygems_version = Gem::Requirement.new(">= 0")