diff --git a/Cargo.lock b/Cargo.lock
index 3eee214..4fb6df0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -665,6 +665,17 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4060f4657be78b8e766215b02b18a2e862d83745545de804638e2b545e81aee6"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "gimli"
 version = "0.23.0"
@@ -1405,7 +1416,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83abebdb324c30f176d449513f0134bafbf976d5279c6554742599e3996d1629"
 dependencies = [
- "rand 0.7.3",
+ "rand 0.6.5",
  "serde",
  "serde_derive",
  "serde_json",
@@ -1585,13 +1596,25 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
  "libc",
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "rand_hc 0.2.0",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c24fcd450d3fa2b592732565aa4f17a27a61c65ece4726353e000939b0edee34"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.1",
+ "rand_hc 0.3.0",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.1.1"
@@ -1612,6 +1635,16 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.1",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -1633,7 +1666,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
+dependencies = [
+ "getrandom 0.2.1",
 ]
 
 [[package]]
@@ -1654,6 +1696,15 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+dependencies = [
+ "rand_core 0.6.1",
+]
+
 [[package]]
 name = "rand_isaac"
 version = "0.1.1"
@@ -2786,7 +2837,7 @@ dependencies = [
  "pfacts",
  "pretty_env_logger",
  "prometheus",
- "rand 0.7.3",
+ "rand 0.8.1",
  "reqwest",
  "ructe",
  "sdnotify",