fix 0.17.2

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Runtime :

aw 0.1.13 ~> 0.1.2

defi 1.1.5 ~> 1.1.4

spectus 3.0.10 ~> 3.0.7

Development :

bundler 1.17.3 ~> 1.16

rake 12.3.3 ~> 12.3

rubocop 0.93.1 ~> 0.58

simplecov 0.22.0 ~> 0.16

yard 0.9.36 ~> 0.9