diff --git a/Cargo.lock b/Cargo.lock
index 8211d79..1e152dd 100644
--- a/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
index da344a8..6ec2390 100644
--- a/Cargo.toml
+++ b/Cargo.toml
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 fps_clock = "2.0.0"
 rand = "0.7.3"
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+rand_distr = "0.4.0"
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