Fix: Ruby 2.5-Only Syntax Added
Fix: Ruby 2.5-Only Syntax Added

Why This Change Is Necessary
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- [x] Bug Fix
- [ ] New Feature

How These Changes Address the Issue
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Switch to the backwards-compatible syntax.

Side Effects Caused By This Change
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- [ ] This Causes a Breaking Change
- [x] This Does Not Cause Any Known Side Effects

Checklist
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- [x] I have run `rubocop` against the codebase
- [x] I have added tests to cover my changes
- [x] All new and existing tests passed

thekompanee/chamber,thekompanee/chamber