diff --git a/Cargo.lock b/Cargo.lock
index 24805db..5802bd0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2057,6 +2057,9 @@ name = "rand_core"
 version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom 0.2.17",
+]
 
 [[package]]
 name = "rand_core"