diff --git a/Cargo.lock b/Cargo.lock
index dce0cd4..a91afc0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -466,9 +466,9 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom 0.2.1",
 ]