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End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Gem::Specification#version=

version=(version)

Set the version to version, potentially also setting required_rubygems_version if version indicates it is a prerelease.

See also #validate_permissions #validate_metadata also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1