diff --git a/Cargo.lock b/Cargo.lock
index d68330cfb15c2..45b2ad15e3f65 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9080,7 +9080,7 @@ dependencies = [
  "libc",
  "log",
  "rand 0.7.3",
- "rand_pcg 0.2.1",
+ "rand_pcg 0.3.1",
  "regex",
  "sc-telemetry",
  "serde",
@@ -11394,7 +11394,7 @@ version = "1.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if 0.1.10",
  "digest 0.10.3",
  "rand 0.8.4",
  "static_assertions",
diff --git a/client/sysinfo/Cargo.toml b/client/sysinfo/Cargo.toml
index 0973631a3cc24..0aeeb5399d44f 100644
--- a/client/sysinfo/Cargo.toml
+++ b/client/sysinfo/Cargo.toml
@@ -18,7 +18,7 @@ futures = "0.3.19"
 libc = "0.2"
 log = "0.4.17"
 rand = "0.7.3"
-rand_pcg = "0.2.1"
+rand_pcg = "0.3.1"
 regex = "1"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = "1.0.79"