diff --git a/Cargo.lock b/Cargo.lock
index 7abb831..eb15c2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1406,7 +1406,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83abebdb324c30f176d449513f0134bafbf976d5279c6554742599e3996d1629"
 dependencies = [
- "rand 0.7.3",
+ "rand 0.8.2",
  "serde",
  "serde_derive",
  "serde_json",
@@ -1812,9 +1812,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.118"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
+checksum = "166b2349061381baf54a58e4b13c89369feb0ef2eaa57198899e2312aac30aab"
 dependencies = [
  "serde_derive",
 ]
@@ -1831,9 +1831,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.118"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
+checksum = "0ca2a8cb5805ce9e3b95435e3765b7b553cecc762d938d409434338386cb5775"
 dependencies = [
  "proc-macro2",
  "quote",