fix 1.0.0.beta4

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Runtime :

defi 2.0.7 ~> 2.0.4

spectus 3.1.4 ~> 3.1.2

Development :

bundler 2.5.9 ~> 2.1

rake 13.2.1 ~> 13.0

rubocop 0.93.1 ~> 0.79

rubocop-performance 1.21.0 >= 0

simplecov 0.22.0 ~> 0.17

yard 0.9.36 ~> 0.9